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authorStephen Hines <srhines@google.com>2014-12-01 14:51:49 -0800
committerStephen Hines <srhines@google.com>2014-12-02 16:08:10 -0800
commit37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch)
tree8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/CodeGen/PowerPC/asm-constraints.ll
parentd2327b22152ced7bc46dc629fc908959e8a52d03 (diff)
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Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/CodeGen/PowerPC/asm-constraints.ll')
-rw-r--r--test/CodeGen/PowerPC/asm-constraints.ll44
1 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/asm-constraints.ll b/test/CodeGen/PowerPC/asm-constraints.ll
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index 0000000..998b618
--- /dev/null
+++ b/test/CodeGen/PowerPC/asm-constraints.ll
@@ -0,0 +1,44 @@
+; RUN: llc < %s -mcpu=pwr8 | FileCheck %s
+
+; Generated from following C code:
+;
+; void foo (int result, char *addr) {
+; __asm__ __volatile__ (
+; "ld%U1%X1 %0,%1\n"
+; "cmpw %0,%0\n"
+; "bne- 1f\n"
+; "1: isync\n"
+; : "=r" (result)
+; : "m"(*addr) : "memory", "cr0");
+; }
+
+target datalayout = "e-m:e-i64:64-n32:64"
+target triple = "powerpc64le-unknown-linux-gnu"
+
+; Function Attrs: nounwind
+; Check that we accept 'U' and 'X' constraints.
+define void @foo(i32 signext %result, i8* %addr) #0 {
+entry:
+ %result.addr = alloca i32, align 4
+ %addr.addr = alloca i8*, align 8
+ store i32 %result, i32* %result.addr, align 4
+ store i8* %addr, i8** %addr.addr, align 8
+ %0 = load i8** %addr.addr, align 8
+ %1 = call i32 asm sideeffect "ld${1:U}${1:X} $0,$1\0Acmpw $0,$0\0Abne- 1f\0A1: isync\0A", "=r,*m,~{memory},~{cr0}"(i8* %0) #1, !srcloc !1
+ store i32 %1, i32* %result.addr, align 4
+ ret void
+}
+
+; CHECK-LABEL: @foo
+; CHECK: ld [[REG:[0-9]+]],0(4)
+; CHECK-NEXT: cmpw [[REG]],[[REG]]
+; CHECK-NEXT: bne- 1f
+; CHECK-NEXT: 1: isync
+
+attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind }
+
+!llvm.ident = !{!0}
+
+!0 = metadata !{metadata !"clang version 3.6.0 (trunk 217557)"}
+!1 = metadata !{i32 67, i32 91, i32 110, i32 126}