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authorEli Friedman <eli.friedman@gmail.com>2011-04-27 23:58:52 +0000
committerEli Friedman <eli.friedman@gmail.com>2011-04-27 23:58:52 +0000
commit8211a6a61d82da340c20fde078148bde63e2d83e (patch)
treeb12e3b87cf051bf56831b9845459c52b85c5803f
parent5a2336e79439281a055b247f54c9d425ea0cd083 (diff)
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fast-isel sret. We actually don't need to do anything special on x86. :) rdar://problem/9303592 .
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130348 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/X86/X86FastISel.cpp1
-rw-r--r--test/CodeGen/X86/fast-isel-x86-64.ll13
2 files changed, 13 insertions, 1 deletions
diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index 82ed9bad43..9d25f4ecdc 100644
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -1618,7 +1618,6 @@ bool X86FastISel::X86SelectCall(const Instruction *I) {
// FIXME: Only handle *easy* calls for now.
if (CS.paramHasAttr(AttrInd, Attribute::InReg) ||
- CS.paramHasAttr(AttrInd, Attribute::StructRet) ||
CS.paramHasAttr(AttrInd, Attribute::Nest) ||
CS.paramHasAttr(AttrInd, Attribute::ByVal))
return false;
diff --git a/test/CodeGen/X86/fast-isel-x86-64.ll b/test/CodeGen/X86/fast-isel-x86-64.ll
index e5f1a7c166..40f90cf402 100644
--- a/test/CodeGen/X86/fast-isel-x86-64.ll
+++ b/test/CodeGen/X86/fast-isel-x86-64.ll
@@ -238,3 +238,16 @@ define void @test19(double* %p1) {
; CHECK: test19:
; CHECK: pxor
}
+
+; Check that we fast-isel sret
+%struct.a = type { i64, i64, i64 }
+define void @test20() nounwind ssp {
+entry:
+ %tmp = alloca %struct.a, align 8
+ call void @test20sret(%struct.a* sret %tmp)
+ ret void
+; CHECK: test20:
+; CHECK: leaq (%rsp), %rdi
+; CHECK: callq _test20sret
+}
+declare void @test20sret(%struct.a* sret)