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authorMatthias Braun <matze@braunis.de>2017-12-19 00:43:00 +0000
committerMatthias Braun <matze@braunis.de>2017-12-19 00:43:00 +0000
commite29c0b88628c0f353d2fa1423525fe4acbd7ad67 (patch)
tree5c980985ab5f8d14a9880fa2ba0b1fb416b73ed4 /llvm/test/CodeGen/AArch64/arm64-memset-to-bzero.ll
parent92de8b2405b2bdb7e4e27ef95e050273e1a03ea8 (diff)
downloadbcm5719-llvm-e29c0b88628c0f353d2fa1423525fe4acbd7ad67.tar.gz
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TargetLoweringBase: Followup to r321035
I missed some prefixes and the fact that on AArch64 we use "bzero" instead of "__bzero" as on X86 when doing my refactoring in r321035. Improve tests for bzero. llvm-svn: 321046
Diffstat (limited to 'llvm/test/CodeGen/AArch64/arm64-memset-to-bzero.ll')
-rw-r--r--llvm/test/CodeGen/AArch64/arm64-memset-to-bzero.ll49
1 files changed, 27 insertions, 22 deletions
diff --git a/llvm/test/CodeGen/AArch64/arm64-memset-to-bzero.ll b/llvm/test/CodeGen/AArch64/arm64-memset-to-bzero.ll
index 29036caabf3..3466e1bace5 100644
--- a/llvm/test/CodeGen/AArch64/arm64-memset-to-bzero.ll
+++ b/llvm/test/CodeGen/AArch64/arm64-memset-to-bzero.ll
@@ -4,9 +4,10 @@
; RUN: FileCheck --check-prefix=CHECK-LINUX --check-prefix=CHECK %s
; <rdar://problem/14199482> ARM64: Calls to bzero() replaced with calls to memset()
-; CHECK: @fct1
+; CHECK-LABEL: fct1:
; For small size (<= 256), we do not change memset to bzero.
-; CHECK: memset
+; CHECK-DARWIN: {{b|bl}} _memset
+; CHECK-LINUX: {{b|bl}} memset
define void @fct1(i8* nocapture %ptr) {
entry:
tail call void @llvm.memset.p0i8.i64(i8* %ptr, i8 0, i64 256, i32 1, i1 false)
@@ -15,20 +16,20 @@ entry:
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1)
-; CHECK: @fct2
+; CHECK-LABEL: fct2:
; When the size is bigger than 256, change into bzero.
-; CHECK-DARWIN: bzero
-; CHECK-LINUX: memset
+; CHECK-DARWIN: {{b|bl}} _bzero
+; CHECK-LINUX: {{b|bl}} memset
define void @fct2(i8* nocapture %ptr) {
entry:
tail call void @llvm.memset.p0i8.i64(i8* %ptr, i8 0, i64 257, i32 1, i1 false)
ret void
}
-; CHECK: @fct3
+; CHECK-LABEL: fct3:
; For unknown size, change to bzero.
-; CHECK-DARWIN: bzero
-; CHECK-LINUX: memset
+; CHECK-DARWIN: {{b|bl}} _bzero
+; CHECK-LINUX: {{b|bl}} memset
define void @fct3(i8* nocapture %ptr, i32 %unknown) {
entry:
%conv = sext i32 %unknown to i64
@@ -36,9 +37,10 @@ entry:
ret void
}
-; CHECK: @fct4
+; CHECK-LABEL: fct4:
; Size <= 256, no change.
-; CHECK: memset
+; CHECK-DARWIN: {{b|bl}} _memset
+; CHECK-LINUX: {{b|bl}} memset
define void @fct4(i8* %ptr) {
entry:
%tmp = tail call i64 @llvm.objectsize.i64(i8* %ptr, i1 false)
@@ -50,10 +52,10 @@ declare i8* @__memset_chk(i8*, i32, i64, i64)
declare i64 @llvm.objectsize.i64(i8*, i1)
-; CHECK: @fct5
+; CHECK-LABEL: fct5:
; Size > 256, change.
-; CHECK-DARWIN: bzero
-; CHECK-LINUX: memset
+; CHECK-DARWIN: {{b|bl}} _bzero
+; CHECK-LINUX: {{b|bl}} memset
define void @fct5(i8* %ptr) {
entry:
%tmp = tail call i64 @llvm.objectsize.i64(i8* %ptr, i1 false)
@@ -61,10 +63,10 @@ entry:
ret void
}
-; CHECK: @fct6
+; CHECK-LABEL: fct6:
; Size = unknown, change.
-; CHECK-DARWIN: bzero
-; CHECK-LINUX: memset
+; CHECK-DARWIN: {{b|bl}} _bzero
+; CHECK-LINUX: {{b|bl}} memset
define void @fct6(i8* %ptr, i32 %unknown) {
entry:
%conv = sext i32 %unknown to i64
@@ -76,9 +78,10 @@ entry:
; Next functions check that memset is not turned into bzero
; when the set constant is non-zero, whatever the given size.
-; CHECK: @fct7
+; CHECK-LABEL: fct7:
; memset with something that is not a zero, no change.
-; CHECK: memset
+; CHECK-DARWIN: {{b|bl}} _memset
+; CHECK-LINUX: {{b|bl}} memset
define void @fct7(i8* %ptr) {
entry:
%tmp = tail call i64 @llvm.objectsize.i64(i8* %ptr, i1 false)
@@ -86,9 +89,10 @@ entry:
ret void
}
-; CHECK: @fct8
+; CHECK-LABEL: fct8:
; memset with something that is not a zero, no change.
-; CHECK: memset
+; CHECK-DARWIN: {{b|bl}} _memset
+; CHECK-LINUX: {{b|bl}} memset
define void @fct8(i8* %ptr) {
entry:
%tmp = tail call i64 @llvm.objectsize.i64(i8* %ptr, i1 false)
@@ -96,9 +100,10 @@ entry:
ret void
}
-; CHECK: @fct9
+; CHECK-LABEL: fct9:
; memset with something that is not a zero, no change.
-; CHECK: memset
+; CHECK-DARWIN: {{b|bl}} _memset
+; CHECK-LINUX: {{b|bl}} memset
define void @fct9(i8* %ptr, i32 %unknown) {
entry:
%conv = sext i32 %unknown to i64
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