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/asm-inout.c | 48 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 clang/test/CodeGen/asm-inout.c (limited to 'clang/test/CodeGen/asm-inout.c') diff --git a/clang/test/CodeGen/asm-inout.c b/clang/test/CodeGen/asm-inout.c new file mode 100644 index 0000000..c7d1aec --- /dev/null +++ b/clang/test/CodeGen/asm-inout.c @@ -0,0 +1,48 @@ +// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s +// PR3800 +int *foo(void); + +// CHECK: @test1 +void test1() { + // CHECK: [[REGCALLRESULT:%[a-zA-Z0-9\.]+]] = call i32* @foo() + // CHECK: call void asm "foobar", "=*m,*m,~{dirflag},~{fpsr},~{flags}"(i32* [[REGCALLRESULT]], i32* [[REGCALLRESULT]]) + asm ("foobar" : "+m"(*foo())); +} + +// CHECK: @test2 +void test2() { + // CHECK: [[REGCALLRESULT:%[a-zA-Z0-9\.]+]] = call i32* @foo() + // CHECK: load i32* [[REGCALLRESULT]] + // CHECK: call i32 asm + // CHECK: store i32 {{%[a-zA-Z0-9\.]+}}, i32* [[REGCALLRESULT]] + asm ("foobar" : "+r"(*foo())); +} + +// PR7338 +// CHECK: @test3 +void test3(int *vout, int vin) +{ + // CHECK: call void asm "opr $0,$1", "=*r|m|r,r|m|r,~{edi},~{dirflag},~{fpsr},~{flags}" + asm ("opr %[vout],%[vin]" + : [vout] "=r,=m,=r" (*vout) + : [vin] "r,m,r" (vin) + : "edi"); +} + +// PR8959 - This should implicitly truncate the immediate to a byte. +// CHECK: @test4 +int test4(volatile int *addr) { + unsigned char oldval; + // CHECK: call i8 asm "frob $0", "=r,0{{.*}}"(i8 -1) + __asm__ ("frob %0" : "=r"(oldval) : "0"(0xff)); + return (int)oldval; +} + +// - This should have both inputs be of type x86_mmx. +// CHECK: @test5 +typedef long long __m64 __attribute__((__vector_size__(8))); +__m64 test5(__m64 __A, __m64 __B) { + // CHECK: call x86_mmx asm "pmulhuw $1, $0\0A\09", "=y,y,0,~{dirflag},~{fpsr},~{flags}"(x86_mmx %{{.*}}, x86_mmx %{{.*}}) + asm ("pmulhuw %1, %0\n\t" : "+y" (__A) : "y" (__B)); + return __A; +} -- cgit v1.2.3