From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/CodeGen/mips64-padding-arg.c | 43 +++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 clang/test/CodeGen/mips64-padding-arg.c (limited to 'clang/test/CodeGen/mips64-padding-arg.c') diff --git a/clang/test/CodeGen/mips64-padding-arg.c b/clang/test/CodeGen/mips64-padding-arg.c new file mode 100644 index 0000000..b4dcfba --- /dev/null +++ b/clang/test/CodeGen/mips64-padding-arg.c @@ -0,0 +1,43 @@ +// RUN: %clang -target mips64el-unknown-linux -ccc-clang-archs mips64el -O3 -S -mabi=n64 -o - -emit-llvm %s | FileCheck %s + +typedef struct { + double d; + long double ld; +} S0; + +// Insert padding to ensure arguments of type S0 are aligned to 16-byte boundaries. + +// CHECK: define void @foo1(i32 %a0, i64, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 %b, i64, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3) +// CHECK: tail call void @foo2(i32 1, i32 2, i32 %a0, i64 undef, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 3, i64 undef, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3) +// CHECK: declare void @foo2(i32, i32, i32, i64, double, i64, i64, i64, double, i64, i64, i64, i32, i64, double, i64, i64, i64) + +extern void foo2(int, int, int, S0, S0, int, S0); + +void foo1(int a0, S0 a1, S0 a2, int b, S0 a3) { + foo2(1, 2, a0, a1, a2, 3, a3); +} + +// Insert padding before long double argument. +// +// CHECK: define void @foo3(i32 %a0, i64, fp128 %a1) +// CHECK: tail call void @foo4(i32 1, i32 2, i32 %a0, i64 undef, fp128 %a1) +// CHECK: declare void @foo4(i32, i32, i32, i64, fp128) + +extern void foo4(int, int, int, long double); + +void foo3(int a0, long double a1) { + foo4(1, 2, a0, a1); +} + +// Insert padding after hidden argument. +// +// CHECK: define void @foo5(%struct.S0* noalias sret %agg.result, i64, fp128 %a0) +// CHECK: call void @foo6(%struct.S0* sret %agg.result, i32 1, i32 2, i64 undef, fp128 %a0) +// CHECK: declare void @foo6(%struct.S0* sret, i32, i32, i64, fp128) + +extern S0 foo6(int, int, long double); + +S0 foo5(long double a0) { + return foo6(1, 2, a0); +} + -- cgit v1.2.3