mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 11:42:57 +01:00
adaf763cc8
Differential revision: https://reviews.llvm.org/D61723 llvm-svn: 360338
577 lines
17 KiB
LLVM
577 lines
17 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -O3 < %s | FileCheck %s -check-prefix=PPC64LE
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; Test cases are generated from:
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; long long NAME(PARAM a, PARAM b) {
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; if (LHS > RHS)
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; return b;
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; if (LHS < RHS)
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; return a;\
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; return a * b;
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; }
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; Please note funtion name is defined as <PARAM>_<LHS>_<RHS>. Take ll_a_op_b__1
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; for example. ll is PARAM, a_op_b (i.e., a << b) is LHS, _1 (i.e., -1) is RHS.
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-unknown-linux-gnu"
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define i64 @ll_a_op_b__2(i64 %a, i64 %b) {
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; PPC64LE-LABEL: ll_a_op_b__2:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: sld 5, 3, 4
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; PPC64LE-NEXT: cmpdi 5, -2
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; PPC64LE-NEXT: ble 0, .LBB0_2
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; PPC64LE-NEXT: # %bb.1: # %return
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; PPC64LE-NEXT: mr 3, 4
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; PPC64LE-NEXT: blr
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; PPC64LE-NEXT: .LBB0_2: # %if.end
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: isel 4, 4, 5, 2
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; PPC64LE-NEXT: mulld 3, 4, 3
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; PPC64LE-NEXT: blr
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entry:
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%shl = shl i64 %a, %b
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%cmp = icmp sgt i64 %shl, -2
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp2 = icmp eq i64 %shl, -2
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%mul = select i1 %cmp2, i64 %b, i64 1
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%spec.select = mul nsw i64 %mul, %a
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ret i64 %spec.select
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return: ; preds = %entry
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ret i64 %b
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}
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define i64 @ll_a_op_b__1(i64 %a, i64 %b) {
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; PPC64LE-LABEL: ll_a_op_b__1:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: sld 5, 3, 4
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; PPC64LE-NEXT: cmpdi 5, -1
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; PPC64LE-NEXT: ble 0, .LBB1_2
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; PPC64LE-NEXT: # %bb.1: # %return
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; PPC64LE-NEXT: mr 3, 4
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; PPC64LE-NEXT: blr
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; PPC64LE-NEXT: .LBB1_2: # %if.end
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: isel 4, 4, 5, 2
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; PPC64LE-NEXT: mulld 3, 4, 3
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; PPC64LE-NEXT: blr
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entry:
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%shl = shl i64 %a, %b
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%cmp = icmp sgt i64 %shl, -1
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp2 = icmp eq i64 %shl, -1
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%mul = select i1 %cmp2, i64 %b, i64 1
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%spec.select = mul nsw i64 %mul, %a
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ret i64 %spec.select
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return: ; preds = %entry
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ret i64 %b
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}
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define i64 @ll_a_op_b_0(i64 %a, i64 %b) {
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; PPC64LE-LABEL: ll_a_op_b_0:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: sld. 5, 3, 4
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; PPC64LE-NEXT: ble 0, .LBB2_2
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; PPC64LE-NEXT: # %bb.1: # %return
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; PPC64LE-NEXT: mr 3, 4
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; PPC64LE-NEXT: blr
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; PPC64LE-NEXT: .LBB2_2: # %if.end
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; PPC64LE-NEXT: cmpldi 5, 0
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: isel 4, 4, 5, 2
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; PPC64LE-NEXT: mulld 3, 4, 3
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; PPC64LE-NEXT: blr
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entry:
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%shl = shl i64 %a, %b
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%cmp = icmp sgt i64 %shl, 0
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp2 = icmp eq i64 %shl, 0
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%mul = select i1 %cmp2, i64 %b, i64 1
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%spec.select = mul nsw i64 %mul, %a
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ret i64 %spec.select
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return: ; preds = %entry
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ret i64 %b
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}
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define i64 @ll_a_op_b_1(i64 %a, i64 %b) {
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; PPC64LE-LABEL: ll_a_op_b_1:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: sld 5, 3, 4
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; PPC64LE-NEXT: cmpdi 5, 1
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; PPC64LE-NEXT: ble 0, .LBB3_2
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; PPC64LE-NEXT: # %bb.1: # %return
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; PPC64LE-NEXT: mr 3, 4
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; PPC64LE-NEXT: blr
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; PPC64LE-NEXT: .LBB3_2: # %if.end
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; PPC64LE-NEXT: cmpldi 5, 1
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: isel 4, 4, 5, 2
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; PPC64LE-NEXT: mulld 3, 4, 3
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; PPC64LE-NEXT: blr
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entry:
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%shl = shl i64 %a, %b
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%cmp = icmp sgt i64 %shl, 1
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp2 = icmp eq i64 %shl, 1
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%mul = select i1 %cmp2, i64 %b, i64 1
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%spec.select = mul nsw i64 %mul, %a
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ret i64 %spec.select
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return: ; preds = %entry
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ret i64 %b
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}
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define i64 @ll_a_op_b_2(i64 %a, i64 %b) {
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; PPC64LE-LABEL: ll_a_op_b_2:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: sld 5, 3, 4
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; PPC64LE-NEXT: cmpdi 5, 2
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; PPC64LE-NEXT: ble 0, .LBB4_2
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; PPC64LE-NEXT: # %bb.1: # %return
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; PPC64LE-NEXT: mr 3, 4
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; PPC64LE-NEXT: blr
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; PPC64LE-NEXT: .LBB4_2: # %if.end
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; PPC64LE-NEXT: cmpldi 5, 2
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: isel 4, 4, 5, 2
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; PPC64LE-NEXT: mulld 3, 4, 3
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; PPC64LE-NEXT: blr
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entry:
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%shl = shl i64 %a, %b
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%cmp = icmp sgt i64 %shl, 2
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp2 = icmp eq i64 %shl, 2
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%mul = select i1 %cmp2, i64 %b, i64 1
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%spec.select = mul nsw i64 %mul, %a
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ret i64 %spec.select
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return: ; preds = %entry
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ret i64 %b
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}
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define i64 @ll_a__2(i64 %a, i64 %b) {
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; PPC64LE-LABEL: ll_a__2:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: cmpdi 3, -2
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; PPC64LE-NEXT: ble 0, .LBB5_2
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; PPC64LE-NEXT: # %bb.1: # %return
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; PPC64LE-NEXT: mr 3, 4
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; PPC64LE-NEXT: blr
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; PPC64LE-NEXT: .LBB5_2: # %if.end
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: isel 4, 4, 5, 2
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; PPC64LE-NEXT: mulld 3, 4, 3
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; PPC64LE-NEXT: blr
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entry:
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%cmp = icmp sgt i64 %a, -2
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp1 = icmp eq i64 %a, -2
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%mul = select i1 %cmp1, i64 %b, i64 1
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%spec.select = mul nsw i64 %mul, %a
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ret i64 %spec.select
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return: ; preds = %entry
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ret i64 %b
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}
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define i64 @ll_a__1(i64 %a, i64 %b) {
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; PPC64LE-LABEL: ll_a__1:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: cmpdi 3, -1
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; PPC64LE-NEXT: ble 0, .LBB6_2
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; PPC64LE-NEXT: # %bb.1: # %return
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; PPC64LE-NEXT: mr 3, 4
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; PPC64LE-NEXT: blr
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; PPC64LE-NEXT: .LBB6_2: # %if.end
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: isel 4, 4, 5, 2
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; PPC64LE-NEXT: mulld 3, 4, 3
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; PPC64LE-NEXT: blr
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entry:
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%cmp = icmp sgt i64 %a, -1
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp1 = icmp eq i64 %a, -1
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%mul = select i1 %cmp1, i64 %b, i64 1
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%spec.select = mul nsw i64 %mul, %a
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ret i64 %spec.select
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return: ; preds = %entry
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ret i64 %b
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}
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define i64 @ll_a_0(i64 %a, i64 %b) {
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; PPC64LE-LABEL: ll_a_0:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: cmpdi 3, 0
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; PPC64LE-NEXT: ble 0, .LBB7_2
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; PPC64LE-NEXT: # %bb.1: # %return
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; PPC64LE-NEXT: mr 3, 4
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; PPC64LE-NEXT: blr
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; PPC64LE-NEXT: .LBB7_2: # %if.end
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; PPC64LE-NEXT: cmpldi 3, 0
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: isel 4, 4, 5, 2
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; PPC64LE-NEXT: mulld 3, 4, 3
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; PPC64LE-NEXT: blr
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entry:
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%cmp = icmp sgt i64 %a, 0
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp1 = icmp eq i64 %a, 0
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%mul = select i1 %cmp1, i64 %b, i64 1
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%spec.select = mul nsw i64 %mul, %a
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ret i64 %spec.select
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return: ; preds = %entry
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ret i64 %b
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}
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define i64 @ll_a_1(i64 %a, i64 %b) {
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; PPC64LE-LABEL: ll_a_1:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: cmpdi 3, 1
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; PPC64LE-NEXT: ble 0, .LBB8_2
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; PPC64LE-NEXT: # %bb.1: # %return
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; PPC64LE-NEXT: mr 3, 4
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; PPC64LE-NEXT: blr
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; PPC64LE-NEXT: .LBB8_2: # %if.end
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; PPC64LE-NEXT: cmpldi 3, 1
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: isel 4, 4, 5, 2
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; PPC64LE-NEXT: mulld 3, 4, 3
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; PPC64LE-NEXT: blr
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entry:
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%cmp = icmp sgt i64 %a, 1
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp1 = icmp eq i64 %a, 1
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%mul = select i1 %cmp1, i64 %b, i64 1
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%spec.select = mul nsw i64 %mul, %a
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ret i64 %spec.select
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return: ; preds = %entry
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ret i64 %b
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}
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define i64 @ll_a_2(i64 %a, i64 %b) {
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; PPC64LE-LABEL: ll_a_2:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: cmpdi 3, 2
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; PPC64LE-NEXT: ble 0, .LBB9_2
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; PPC64LE-NEXT: # %bb.1: # %return
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; PPC64LE-NEXT: mr 3, 4
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; PPC64LE-NEXT: blr
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; PPC64LE-NEXT: .LBB9_2: # %if.end
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; PPC64LE-NEXT: cmpldi 3, 2
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: isel 4, 4, 5, 2
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; PPC64LE-NEXT: mulld 3, 4, 3
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; PPC64LE-NEXT: blr
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entry:
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%cmp = icmp sgt i64 %a, 2
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp1 = icmp eq i64 %a, 2
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%mul = select i1 %cmp1, i64 %b, i64 1
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%spec.select = mul nsw i64 %mul, %a
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ret i64 %spec.select
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return: ; preds = %entry
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ret i64 %b
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}
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define i64 @i_a_op_b__2(i32 signext %a, i32 signext %b) {
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; PPC64LE-LABEL: i_a_op_b__2:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: slw 6, 3, 4
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: cmpwi 6, -2
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; PPC64LE-NEXT: isel 5, 4, 5, 2
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; PPC64LE-NEXT: mullw 3, 5, 3
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; PPC64LE-NEXT: isel 3, 4, 3, 1
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; PPC64LE-NEXT: extsw 3, 3
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; PPC64LE-NEXT: blr
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entry:
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%shl = shl i32 %a, %b
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%cmp = icmp sgt i32 %shl, -2
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp2 = icmp eq i32 %shl, -2
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%mul = select i1 %cmp2, i32 %b, i32 1
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%spec.select = mul nsw i32 %mul, %a
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br label %return
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return: ; preds = %if.end, %entry
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%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
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%retval.0 = sext i32 %retval.0.in to i64
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ret i64 %retval.0
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}
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define i64 @i_a_op_b__1(i32 signext %a, i32 signext %b) {
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; PPC64LE-LABEL: i_a_op_b__1:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: slw 6, 3, 4
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: cmpwi 6, -1
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; PPC64LE-NEXT: isel 5, 4, 5, 2
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; PPC64LE-NEXT: mullw 3, 5, 3
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; PPC64LE-NEXT: isel 3, 4, 3, 1
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; PPC64LE-NEXT: extsw 3, 3
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; PPC64LE-NEXT: blr
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entry:
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%shl = shl i32 %a, %b
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%cmp = icmp sgt i32 %shl, -1
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp2 = icmp eq i32 %shl, -1
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%mul = select i1 %cmp2, i32 %b, i32 1
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%spec.select = mul nsw i32 %mul, %a
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br label %return
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return: ; preds = %if.end, %entry
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%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
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%retval.0 = sext i32 %retval.0.in to i64
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ret i64 %retval.0
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}
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define i64 @i_a_op_b_0(i32 signext %a, i32 signext %b) {
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; PPC64LE-LABEL: i_a_op_b_0:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: slw. 5, 3, 4
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; PPC64LE-NEXT: li 6, 1
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; PPC64LE-NEXT: isel 6, 4, 6, 2
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; PPC64LE-NEXT: cmpwi 5, 0
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; PPC64LE-NEXT: mullw 3, 6, 3
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; PPC64LE-NEXT: isel 3, 4, 3, 1
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; PPC64LE-NEXT: extsw 3, 3
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; PPC64LE-NEXT: blr
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entry:
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%shl = shl i32 %a, %b
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%cmp = icmp sgt i32 %shl, 0
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp2 = icmp eq i32 %shl, 0
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%mul = select i1 %cmp2, i32 %b, i32 1
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%spec.select = mul nsw i32 %mul, %a
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br label %return
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return: ; preds = %if.end, %entry
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%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
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%retval.0 = sext i32 %retval.0.in to i64
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ret i64 %retval.0
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}
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define i64 @i_a_op_b_1(i32 signext %a, i32 signext %b) {
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; PPC64LE-LABEL: i_a_op_b_1:
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; PPC64LE: # %bb.0: # %entry
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; PPC64LE-NEXT: slw 6, 3, 4
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; PPC64LE-NEXT: li 5, 1
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; PPC64LE-NEXT: cmplwi 6, 1
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; PPC64LE-NEXT: isel 5, 4, 5, 2
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; PPC64LE-NEXT: cmpwi 6, 1
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; PPC64LE-NEXT: mullw 3, 5, 3
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; PPC64LE-NEXT: isel 3, 4, 3, 1
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; PPC64LE-NEXT: extsw 3, 3
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; PPC64LE-NEXT: blr
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entry:
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%shl = shl i32 %a, %b
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%cmp = icmp sgt i32 %shl, 1
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br i1 %cmp, label %return, label %if.end
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if.end: ; preds = %entry
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%cmp2 = icmp eq i32 %shl, 1
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%mul = select i1 %cmp2, i32 %b, i32 1
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%spec.select = mul nsw i32 %mul, %a
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br label %return
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return: ; preds = %if.end, %entry
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%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
|
|
%retval.0 = sext i32 %retval.0.in to i64
|
|
ret i64 %retval.0
|
|
}
|
|
|
|
define i64 @i_a_op_b_2(i32 signext %a, i32 signext %b) {
|
|
; PPC64LE-LABEL: i_a_op_b_2:
|
|
; PPC64LE: # %bb.0: # %entry
|
|
; PPC64LE-NEXT: slw 6, 3, 4
|
|
; PPC64LE-NEXT: li 5, 1
|
|
; PPC64LE-NEXT: cmplwi 6, 2
|
|
; PPC64LE-NEXT: isel 5, 4, 5, 2
|
|
; PPC64LE-NEXT: cmpwi 6, 2
|
|
; PPC64LE-NEXT: mullw 3, 5, 3
|
|
; PPC64LE-NEXT: isel 3, 4, 3, 1
|
|
; PPC64LE-NEXT: extsw 3, 3
|
|
; PPC64LE-NEXT: blr
|
|
entry:
|
|
%shl = shl i32 %a, %b
|
|
%cmp = icmp sgt i32 %shl, 2
|
|
br i1 %cmp, label %return, label %if.end
|
|
|
|
if.end: ; preds = %entry
|
|
%cmp2 = icmp eq i32 %shl, 2
|
|
%mul = select i1 %cmp2, i32 %b, i32 1
|
|
%spec.select = mul nsw i32 %mul, %a
|
|
br label %return
|
|
|
|
return: ; preds = %if.end, %entry
|
|
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
|
|
%retval.0 = sext i32 %retval.0.in to i64
|
|
ret i64 %retval.0
|
|
}
|
|
|
|
define i64 @i_a__2(i32 signext %a, i32 signext %b) {
|
|
; PPC64LE-LABEL: i_a__2:
|
|
; PPC64LE: # %bb.0: # %entry
|
|
; PPC64LE-NEXT: li 5, 1
|
|
; PPC64LE-NEXT: cmpwi 3, -2
|
|
; PPC64LE-NEXT: isel 5, 4, 5, 2
|
|
; PPC64LE-NEXT: mullw 3, 5, 3
|
|
; PPC64LE-NEXT: isel 3, 4, 3, 1
|
|
; PPC64LE-NEXT: extsw 3, 3
|
|
; PPC64LE-NEXT: blr
|
|
entry:
|
|
%cmp = icmp sgt i32 %a, -2
|
|
br i1 %cmp, label %return, label %if.end
|
|
|
|
if.end: ; preds = %entry
|
|
%cmp1 = icmp eq i32 %a, -2
|
|
%mul = select i1 %cmp1, i32 %b, i32 1
|
|
%spec.select = mul nsw i32 %mul, %a
|
|
br label %return
|
|
|
|
return: ; preds = %if.end, %entry
|
|
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
|
|
%retval.0 = sext i32 %retval.0.in to i64
|
|
ret i64 %retval.0
|
|
}
|
|
|
|
define i64 @i_a__1(i32 signext %a, i32 signext %b) {
|
|
; PPC64LE-LABEL: i_a__1:
|
|
; PPC64LE: # %bb.0: # %entry
|
|
; PPC64LE-NEXT: li 5, 1
|
|
; PPC64LE-NEXT: cmpwi 3, -1
|
|
; PPC64LE-NEXT: isel 5, 4, 5, 2
|
|
; PPC64LE-NEXT: mullw 3, 5, 3
|
|
; PPC64LE-NEXT: isel 3, 4, 3, 1
|
|
; PPC64LE-NEXT: extsw 3, 3
|
|
; PPC64LE-NEXT: blr
|
|
entry:
|
|
%cmp = icmp sgt i32 %a, -1
|
|
br i1 %cmp, label %return, label %if.end
|
|
|
|
if.end: ; preds = %entry
|
|
%cmp1 = icmp eq i32 %a, -1
|
|
%mul = select i1 %cmp1, i32 %b, i32 1
|
|
%spec.select = mul nsw i32 %mul, %a
|
|
br label %return
|
|
|
|
return: ; preds = %if.end, %entry
|
|
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
|
|
%retval.0 = sext i32 %retval.0.in to i64
|
|
ret i64 %retval.0
|
|
}
|
|
|
|
define i64 @i_a_0(i32 signext %a, i32 signext %b) {
|
|
; PPC64LE-LABEL: i_a_0:
|
|
; PPC64LE: # %bb.0: # %entry
|
|
; PPC64LE-NEXT: li 5, 1
|
|
; PPC64LE-NEXT: cmplwi 3, 0
|
|
; PPC64LE-NEXT: isel 5, 4, 5, 2
|
|
; PPC64LE-NEXT: cmpwi 0, 3, 0
|
|
; PPC64LE-NEXT: mullw 5, 5, 3
|
|
; PPC64LE-NEXT: isel 3, 4, 5, 1
|
|
; PPC64LE-NEXT: extsw 3, 3
|
|
; PPC64LE-NEXT: blr
|
|
entry:
|
|
%cmp = icmp sgt i32 %a, 0
|
|
br i1 %cmp, label %return, label %if.end
|
|
|
|
if.end: ; preds = %entry
|
|
%cmp1 = icmp eq i32 %a, 0
|
|
%mul = select i1 %cmp1, i32 %b, i32 1
|
|
%spec.select = mul nsw i32 %mul, %a
|
|
br label %return
|
|
|
|
return: ; preds = %if.end, %entry
|
|
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
|
|
%retval.0 = sext i32 %retval.0.in to i64
|
|
ret i64 %retval.0
|
|
}
|
|
|
|
define i64 @i_a_1(i32 signext %a, i32 signext %b) {
|
|
; PPC64LE-LABEL: i_a_1:
|
|
; PPC64LE: # %bb.0: # %entry
|
|
; PPC64LE-NEXT: li 5, 1
|
|
; PPC64LE-NEXT: cmplwi 3, 1
|
|
; PPC64LE-NEXT: isel 5, 4, 5, 2
|
|
; PPC64LE-NEXT: cmpwi 0, 3, 1
|
|
; PPC64LE-NEXT: mullw 5, 5, 3
|
|
; PPC64LE-NEXT: isel 3, 4, 5, 1
|
|
; PPC64LE-NEXT: extsw 3, 3
|
|
; PPC64LE-NEXT: blr
|
|
entry:
|
|
%cmp = icmp sgt i32 %a, 1
|
|
br i1 %cmp, label %return, label %if.end
|
|
|
|
if.end: ; preds = %entry
|
|
%cmp1 = icmp eq i32 %a, 1
|
|
%mul = select i1 %cmp1, i32 %b, i32 1
|
|
%spec.select = mul nsw i32 %mul, %a
|
|
br label %return
|
|
|
|
return: ; preds = %if.end, %entry
|
|
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
|
|
%retval.0 = sext i32 %retval.0.in to i64
|
|
ret i64 %retval.0
|
|
}
|
|
|
|
define i64 @i_a_2(i32 signext %a, i32 signext %b) {
|
|
; PPC64LE-LABEL: i_a_2:
|
|
; PPC64LE: # %bb.0: # %entry
|
|
; PPC64LE-NEXT: li 5, 1
|
|
; PPC64LE-NEXT: cmplwi 3, 2
|
|
; PPC64LE-NEXT: isel 5, 4, 5, 2
|
|
; PPC64LE-NEXT: cmpwi 0, 3, 2
|
|
; PPC64LE-NEXT: mullw 5, 5, 3
|
|
; PPC64LE-NEXT: isel 3, 4, 5, 1
|
|
; PPC64LE-NEXT: extsw 3, 3
|
|
; PPC64LE-NEXT: blr
|
|
entry:
|
|
%cmp = icmp sgt i32 %a, 2
|
|
br i1 %cmp, label %return, label %if.end
|
|
|
|
if.end: ; preds = %entry
|
|
%cmp1 = icmp eq i32 %a, 2
|
|
%mul = select i1 %cmp1, i32 %b, i32 1
|
|
%spec.select = mul nsw i32 %mul, %a
|
|
br label %return
|
|
|
|
return: ; preds = %if.end, %entry
|
|
%retval.0.in = phi i32 [ %b, %entry ], [ %spec.select, %if.end ]
|
|
%retval.0 = sext i32 %retval.0.in to i64
|
|
ret i64 %retval.0
|
|
}
|