16d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s 26d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman// PR3800 36d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedmanint *foo(void); 46d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman 56d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman// CHECK: @test1 66d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedmanvoid test1() { 76d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman // CHECK: [[REGCALLRESULT:%[a-zA-Z0-9\.]+]] = call i32* @foo() 86d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman // CHECK: call void asm "foobar", "=*m,*m,~{dirflag},~{fpsr},~{flags}"(i32* [[REGCALLRESULT]], i32* [[REGCALLRESULT]]) 96d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman asm ("foobar" : "+m"(*foo())); 106d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman} 116d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman 126d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman// CHECK: @test2 136d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedmanvoid test2() { 146d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman // CHECK: [[REGCALLRESULT:%[a-zA-Z0-9\.]+]] = call i32* @foo() 156d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman // CHECK: load i32* [[REGCALLRESULT]] 166d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman // CHECK: call i32 asm 176d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman // CHECK: store i32 {{%[a-zA-Z0-9\.]+}}, i32* [[REGCALLRESULT]] 186d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman asm ("foobar" : "+r"(*foo())); 196d7cfd7ef82e42ff30ee1dafd2883fd94e9f8294Eli Friedman} 202f474ea9ef7505df5d092287c48c19974222293bJohn Thompson 212f474ea9ef7505df5d092287c48c19974222293bJohn Thompson// PR7338 22263e0a6106f58a43ae67b28e92d8af6716e61c69Bill Wendling// CHECK: @test3 232f474ea9ef7505df5d092287c48c19974222293bJohn Thompsonvoid test3(int *vout, int vin) 242f474ea9ef7505df5d092287c48c19974222293bJohn Thompson{ 25cfd323d0d4476dd4ff64097c91b114067ecaa82bEric Christopher // CHECK: call void asm "opr $0,$1", "=*r|m|r,r|m|r,~{edi},~{dirflag},~{fpsr},~{flags}" 26263e0a6106f58a43ae67b28e92d8af6716e61c69Bill Wendling asm ("opr %[vout],%[vin]" 27263e0a6106f58a43ae67b28e92d8af6716e61c69Bill Wendling : [vout] "=r,=m,=r" (*vout) 28263e0a6106f58a43ae67b28e92d8af6716e61c69Bill Wendling : [vin] "r,m,r" (vin) 29263e0a6106f58a43ae67b28e92d8af6716e61c69Bill Wendling : "edi"); 302f474ea9ef7505df5d092287c48c19974222293bJohn Thompson} 31935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner 32935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner// PR8959 - This should implicitly truncate the immediate to a byte. 33263e0a6106f58a43ae67b28e92d8af6716e61c69Bill Wendling// CHECK: @test4 34935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattnerint test4(volatile int *addr) { 35935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner unsigned char oldval; 36263e0a6106f58a43ae67b28e92d8af6716e61c69Bill Wendling // CHECK: call i8 asm "frob $0", "=r,0{{.*}}"(i8 -1) 37935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner __asm__ ("frob %0" : "=r"(oldval) : "0"(0xff)); 38935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner return (int)oldval; 39935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner} 40acb5310542b82e7acf5f5a91fa619e4b7efeff5cBill Wendling 41acb5310542b82e7acf5f5a91fa619e4b7efeff5cBill Wendling// <rdar://problem/10919182> - This should have both inputs be of type x86_mmx. 42acb5310542b82e7acf5f5a91fa619e4b7efeff5cBill Wendling// CHECK: @test5 43acb5310542b82e7acf5f5a91fa619e4b7efeff5cBill Wendlingtypedef long long __m64 __attribute__((__vector_size__(8))); 44acb5310542b82e7acf5f5a91fa619e4b7efeff5cBill Wendling__m64 test5(__m64 __A, __m64 __B) { 458ff6059b3d2acbdfcf4612d5a08259727dad3c87Bill Wendling // CHECK: call x86_mmx asm "pmulhuw $1, $0\0A\09", "=y,y,0,~{dirflag},~{fpsr},~{flags}"(x86_mmx %{{.*}}, x86_mmx %{{.*}}) 46263e0a6106f58a43ae67b28e92d8af6716e61c69Bill Wendling asm ("pmulhuw %1, %0\n\t" : "+y" (__A) : "y" (__B)); 47acb5310542b82e7acf5f5a91fa619e4b7efeff5cBill Wendling return __A; 48acb5310542b82e7acf5f5a91fa619e4b7efeff5cBill Wendling} 49