mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
93 lines
3.0 KiB
LLVM
93 lines
3.0 KiB
LLVM
; RUN: opt < %s -indvars -S | FileCheck %s
|
|
;
|
|
; PR1301
|
|
|
|
; Do a bunch of analysis and prove that the loops can use an i32 trip
|
|
; count without casting.
|
|
;
|
|
; Note that all four functions should actually be converted to
|
|
; memset. However, this test case validates indvars behavior. We
|
|
; don't check that phis are "folded together" because that is a job
|
|
; for loop strength reduction. But indvars must remove sext, zext, and add i8.
|
|
;
|
|
; CHECK-NOT: {{sext|zext|add i8}}
|
|
|
|
; ModuleID = 'ada.bc'
|
|
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-n8:16:32"
|
|
target triple = "i686-pc-linux-gnu"
|
|
|
|
define void @kinds__sbytezero([256 x i32]* nocapture %a) nounwind {
|
|
bb.thread:
|
|
%tmp46 = getelementptr [256 x i32]* %a, i32 0, i32 0 ; <i32*> [#uses=1]
|
|
store i32 0, i32* %tmp46
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %bb.thread
|
|
%i.0.reg2mem.0 = phi i8 [ -128, %bb.thread ], [ %tmp8, %bb ] ; <i8> [#uses=1]
|
|
%tmp8 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=3]
|
|
%tmp1 = sext i8 %tmp8 to i32 ; <i32> [#uses=1]
|
|
%tmp3 = add i32 %tmp1, 128 ; <i32> [#uses=1]
|
|
%tmp4 = getelementptr [256 x i32]* %a, i32 0, i32 %tmp3 ; <i32*> [#uses=1]
|
|
store i32 0, i32* %tmp4
|
|
%0 = icmp eq i8 %tmp8, 127 ; <i1> [#uses=1]
|
|
br i1 %0, label %return, label %bb
|
|
|
|
return: ; preds = %bb
|
|
ret void
|
|
}
|
|
|
|
define void @kinds__ubytezero([256 x i32]* nocapture %a) nounwind {
|
|
bb.thread:
|
|
%tmp35 = getelementptr [256 x i32]* %a, i32 0, i32 0 ; <i32*> [#uses=1]
|
|
store i32 0, i32* %tmp35
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %bb.thread
|
|
%i.0.reg2mem.0 = phi i8 [ 0, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=1]
|
|
%tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=3]
|
|
%tmp1 = zext i8 %tmp7 to i32 ; <i32> [#uses=1]
|
|
%tmp3 = getelementptr [256 x i32]* %a, i32 0, i32 %tmp1 ; <i32*> [#uses=1]
|
|
store i32 0, i32* %tmp3
|
|
%0 = icmp eq i8 %tmp7, -1 ; <i1> [#uses=1]
|
|
br i1 %0, label %return, label %bb
|
|
|
|
return: ; preds = %bb
|
|
ret void
|
|
}
|
|
|
|
define void @kinds__srangezero([21 x i32]* nocapture %a) nounwind {
|
|
bb.thread:
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %bb.thread
|
|
%i.0.reg2mem.0 = phi i8 [ -10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2]
|
|
%tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1]
|
|
%tmp4 = add i32 %tmp12, 10 ; <i32> [#uses=1]
|
|
%tmp5 = getelementptr [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1]
|
|
store i32 0, i32* %tmp5
|
|
%tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2]
|
|
%0 = icmp sgt i8 %tmp7, 10 ; <i1> [#uses=1]
|
|
br i1 %0, label %return, label %bb
|
|
|
|
return: ; preds = %bb
|
|
ret void
|
|
}
|
|
|
|
define void @kinds__urangezero([21 x i32]* nocapture %a) nounwind {
|
|
bb.thread:
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %bb.thread
|
|
%i.0.reg2mem.0 = phi i8 [ 10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2]
|
|
%tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1]
|
|
%tmp4 = add i32 %tmp12, -10 ; <i32> [#uses=1]
|
|
%tmp5 = getelementptr [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1]
|
|
store i32 0, i32* %tmp5
|
|
%tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2]
|
|
%0 = icmp sgt i8 %tmp7, 30 ; <i1> [#uses=1]
|
|
br i1 %0, label %return, label %bb
|
|
|
|
return: ; preds = %bb
|
|
ret void
|
|
}
|