mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
245 lines
5.9 KiB
LLVM
245 lines
5.9 KiB
LLVM
; Test the use of TM and TMY.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
|
|
|
|
@g = global i32 0
|
|
|
|
; Check a simple branching use of TM.
|
|
define void @f1(i8 *%src) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: tm 0(%r2), 1
|
|
; CHECK: ber %r14
|
|
; CHECK: br %r14
|
|
entry:
|
|
%byte = load i8, i8 *%src
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
|
|
; Check that we do not fold across an aliasing store.
|
|
define void @f2(i8 *%src) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: tm 0(%r2), 1
|
|
; CHECK: mvi 0(%r2), 0
|
|
; CHECK: ber %r14
|
|
; CHECK: br %r14
|
|
entry:
|
|
%byte = load i8, i8 *%src
|
|
store i8 0, i8 *%src
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
br i1 %cmp, label %exit, label %store
|
|
|
|
store:
|
|
store i32 1, i32 *@g
|
|
br label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check a simple select-based use of TM.
|
|
define double @f3(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: tm 0(%r2), 1
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%byte = load i8, i8 *%src
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check that we do not fold across an aliasing store.
|
|
define double @f4(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: tm 0(%r2), 1
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: mvi 0(%r2), 0
|
|
; CHECK: br %r14
|
|
%byte = load i8, i8 *%src
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
%res = select i1 %cmp, double %b, double %a
|
|
store i8 0, i8 *%src
|
|
ret double %res
|
|
}
|
|
|
|
; Check an inequality check.
|
|
define double @f5(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: tm 0(%r2), 1
|
|
; CHECK: jne {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%byte = load i8, i8 *%src
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp ne i8 %and, 0
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check that we can also use TM for equality comparisons with the mask.
|
|
define double @f6(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: tm 0(%r2), 254
|
|
; CHECK: jo {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%byte = load i8, i8 *%src
|
|
%and = and i8 %byte, 254
|
|
%cmp = icmp eq i8 %and, 254
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check inequality comparisons with the mask.
|
|
define double @f7(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK: tm 0(%r2), 254
|
|
; CHECK: jno {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%byte = load i8, i8 *%src
|
|
%and = and i8 %byte, 254
|
|
%cmp = icmp ne i8 %and, 254
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check that we do not use the memory TM instruction when CC is being tested
|
|
; for 2.
|
|
define double @f8(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK: llc [[REG:%r[0-5]]], 0(%r2)
|
|
; CHECK: tmll [[REG]], 3
|
|
; CHECK: jh {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%byte = load i8, i8 *%src
|
|
%and = and i8 %byte, 3
|
|
%cmp = icmp eq i8 %and, 2
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; ...likewise 1.
|
|
define double @f9(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK: llc [[REG:%r[0-5]]], 0(%r2)
|
|
; CHECK: tmll [[REG]], 3
|
|
; CHECK: jl {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%byte = load i8, i8 *%src
|
|
%and = and i8 %byte, 3
|
|
%cmp = icmp eq i8 %and, 1
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check the high end of the TM range.
|
|
define double @f10(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK: tm 4095(%r2), 1
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 4095
|
|
%byte = load i8, i8 *%ptr
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check the low end of the positive TMY range.
|
|
define double @f11(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f11:
|
|
; CHECK: tmy 4096(%r2), 1
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 4096
|
|
%byte = load i8, i8 *%ptr
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check the high end of the TMY range.
|
|
define double @f12(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f12:
|
|
; CHECK: tmy 524287(%r2), 1
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 524287
|
|
%byte = load i8, i8 *%ptr
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check the next byte up, which needs separate address logic.
|
|
define double @f13(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f13:
|
|
; CHECK: agfi %r2, 524288
|
|
; CHECK: tm 0(%r2), 1
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 524288
|
|
%byte = load i8, i8 *%ptr
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check the low end of the TMY range.
|
|
define double @f14(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f14:
|
|
; CHECK: tmy -524288(%r2), 1
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 -524288
|
|
%byte = load i8, i8 *%ptr
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check the next byte down, which needs separate address logic.
|
|
define double @f15(i8 *%src, double %a, double %b) {
|
|
; CHECK-LABEL: f15:
|
|
; CHECK: agfi %r2, -524289
|
|
; CHECK: tm 0(%r2), 1
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 -524289
|
|
%byte = load i8, i8 *%ptr
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|
|
|
|
; Check that TM(Y) does not allow an index
|
|
define double @f16(i8 *%src, i64 %index, double %a, double %b) {
|
|
; CHECK-LABEL: f16:
|
|
; CHECK: tm 0({{%r[1-5]}}), 1
|
|
; CHECK: je {{\.L.*}}
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr i8, i8 *%src, i64 %index
|
|
%byte = load i8, i8 *%ptr
|
|
%and = and i8 %byte, 1
|
|
%cmp = icmp eq i8 %and, 0
|
|
%res = select i1 %cmp, double %b, double %a
|
|
ret double %res
|
|
}
|