llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang Author: Bill Wendling (bwendling) <details> <summary>Changes</summary> --- Patch is 35.44 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/191944.diff 1 Files Affected: - (modified) clang/test/CodeGen/asm.c (+533-124) ``````````diff diff --git a/clang/test/CodeGen/asm.c b/clang/test/CodeGen/asm.c index 9687c993e6464..8c1437f91d603 100644 --- a/clang/test/CodeGen/asm.c +++ b/clang/test/CodeGen/asm.c @@ -1,103 +1,265 @@ -// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s - -// PR10415 +// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -O0 %s -o - | FileCheck %s -check-prefix=X86_64-O0 +// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -O2 %s -o - | FileCheck %s -check-prefix=X86_64-O2 +// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -O0 %s -o - | FileCheck %s -check-prefix=I386-O0 +// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -O2 %s -o - | FileCheck %s -check-prefix=I386-O2 + +// PR10415: +// +// X86_64-O0: module asm "foo1" +// X86_64-O0-NEXT: module asm "foo2" +// X86_64-O0-NEXT: module asm "foo3" +// +// X86_64-O2: module asm "foo1" +// X86_64-O2-NEXT: module asm "foo2" +// X86_64-O2-NEXT: module asm "foo3" +// +// I386-O0: module asm "foo1" +// I386-O0-NEXT: module asm "foo2" +// I386-O0-NEXT: module asm "foo3" +// +// I386-O2: module asm "foo1" +// I386-O2-NEXT: module asm "foo2" +// I386-O2-NEXT: module asm "foo3" __asm__ ("foo1"); __asm__ ("foo2"); __asm__ ("foo3"); -// CHECK: module asm "foo1" -// CHECK-NEXT: module asm "foo2" -// CHECK-NEXT: module asm "foo3" void t1(int len) { - __asm__ volatile("" : "=&r"(len), "+&r"(len)); + // X86_64-O0-LABEL: define{{.*}} void @t1 + // X86_64-O0: call { i32, i32 } asm sideeffect "", "=&r,=&r,1,~{dirflag},~{fpsr},~{flags}" + // X86_64-O0-SAME: (i32 [[T1:%[.a-z0-9]+]]) + // + // X86_64-O2-LABEL: define{{.*}} void @t1 + // X86_64-O2: call { i32, i32 } asm sideeffect "", "=&r,=&r,1,~{dirflag},~{fpsr},~{flags}" + // X86_64-O2-SAME: (i32 [[T1:%[.a-z0-9]+]]) + // + // I386-O0-LABEL: define{{.*}} void @t1 + // I386-O0: call { i32, i32 } asm sideeffect "", "=&r,=&r,1,~{dirflag},~{fpsr},~{flags}" + // I386-O0-SAME: (i32 [[T1:%[.a-z0-9]+]]) + // + // I386-O2-LABEL: define{{.*}} void @t1 + // I386-O2: call { i32, i32 } asm sideeffect "", "=&r,=&r,1,~{dirflag},~{fpsr},~{flags}" + // I386-O2-SAME: (i32 [[T1:%[.a-z0-9]+]]) + __asm__ volatile ("" : "=&r" (len), "+&r" (len)); } void t2(unsigned long long t) { - __asm__ volatile("" : "+m"(t)); + // X86_64-O0-LABEL: define{{.*}} void @t2 + // X86_64-O0: call void asm sideeffect "", "=*m,*m,~{dirflag},~{fpsr},~{flags}" + // X86_64-O0-SAME: (ptr elementtype(i64) [[T2:%[a-z0-9.]+]], ptr elementtype(i64) [[T2]]) + // + // X86_64-O2-LABEL: define{{.*}} void @t2 + // X86_64-O2: call void asm sideeffect "", "=*m,*m,~{dirflag},~{fpsr},~{flags}" + // X86_64-O2-SAME: (ptr nonnull elementtype(i64) [[T2:%[.a-z0-9]+]], ptr nonnull elementtype(i64) [[T2]]) + // + // I386-O0-LABEL: define{{.*}} void @t2 + // I386-O0: call void asm sideeffect "", "=*m,*m,~{dirflag},~{fpsr},~{flags}" + // I386-O0-SAME: (ptr elementtype(i64) [[T2:%[.0-9a-z]+]], ptr elementtype(i64) [[T2]]) + // + // I386-O2-LABEL: define{{.*}} void @t2 + // I386-O2: call void asm sideeffect "", "=*m,*m,~{dirflag},~{fpsr},~{flags}" + // I386-O2-SAME: (ptr nonnull elementtype(i64) [[T2:%[.a-z0-9]+]], ptr nonnull elementtype(i64) [[T2]]) + __asm__ volatile ("" : "+m" (t)); } void t3(unsigned char *src, unsigned long long temp) { - __asm__ volatile("" : "+m"(temp), "+r"(src)); + // X86_64-O0-LABEL: define{{.*}} void @t3 + // X86_64-O0: call ptr asm sideeffect "", "=*m,=r,*m,1,~{dirflag},~{fpsr},~{flags}" + // X86_64-O0-SAME: (ptr elementtype(i64) [[T3:%[a-z0-9.]+]], ptr elementtype(i64) [[T3]], ptr %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} void @t3 + // X86_64-O2: call ptr asm sideeffect "", "=*m,=r,*m,1,~{dirflag},~{fpsr},~{flags}" + // X86_64-O2-SAME: (ptr nonnull elementtype(i64) [[T3:%[a-z0-9.]+]], ptr nonnull elementtype(i64) [[T3]], ptr %{{.*}}) + // + // I386-O0-LABEL: define{{.*}} void @t3 + // I386-O0: call ptr asm sideeffect "", "=*m,=r,*m,1,~{dirflag},~{fpsr},~{flags}" + // I386-O0-SAME: (ptr elementtype(i64) [[T3:%[a-z0-9.]+]], ptr elementtype(i64) [[T3]], ptr %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} void @t3 + // I386-O2: call ptr asm sideeffect "", "=*m,=r,*m,1,~{dirflag},~{fpsr},~{flags}" + // I386-O2-SAME: (ptr nonnull elementtype(i64) [[T3:%[a-z0-9.]+]], ptr nonnull elementtype(i64) [[T3]], ptr %{{.*}}) + __asm__ volatile ("" : "+m" (temp), "+r" (src)); } void t4(void) { + // X86_64-O0-LABEL: define{{.*}} void @t4 + // X86_64-O0: call void asm sideeffect "", "*m,*m,~{dirflag},~{fpsr},~{flags}" + // X86_64-O0-SAME: (ptr elementtype(i64) %{{.*}}, ptr elementtype(%struct.reg) %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} void @t4 + // X86_64-O2: call void asm sideeffect "", "*m,*m,~{dirflag},~{fpsr},~{flags}" + // X86_64-O2-SAME: (ptr nonnull elementtype(i64) %{{.*}}, ptr nonnull elementtype(%struct.reg) %{{.*}}) + // + // I386-O0-LABEL: define{{.*}} void @t4 + // I386-O0: call void asm sideeffect "", "*m,*m,~{dirflag},~{fpsr},~{flags}" + // I386-O0-SAME: (ptr elementtype(i64) %{{.*}}, ptr elementtype(%struct.reg) %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} void @t4 + // I386-O2: call void asm sideeffect "", "*m,*m,~{dirflag},~{fpsr},~{flags}" + // I386-O2-SAME: (ptr nonnull elementtype(i64) %{{.*}}, ptr nonnull elementtype(%struct.reg) %{{.*}}) unsigned long long a; struct reg { unsigned long long a, b; } b; - __asm__ volatile ("":: "m"(a), "m"(b)); + __asm__ volatile ("":: "m" (a), "m" (b)); } // PR3417 void t5(int i) { - asm("nop" : "=r"(i) : "0"(t5)); + // X86_64-O0-LABEL: define{{.*}} void @t5 + // X86_64-O0: call ptr asm "nop", "=r,0,~{dirflag},~{fpsr},~{flags}"(ptr @t5) + // + // X86_64-O2-LABEL: define{{.*}} void @t5 + // X86_64-O2: call ptr asm "nop", "=r,0,~{dirflag},~{fpsr},~{flags}"(ptr nonnull @t5) + // + // I386-O0-LABEL: define{{.*}} void @t5 + // I386-O0: call i32 asm "nop", "=r,0,~{dirflag},~{fpsr},~{flags}"(ptr @t5) + // + // I386-O2-LABEL: define{{.*}} void @t5 + // I386-O2: call i32 asm "nop", "=r,0,~{dirflag},~{fpsr},~{flags}"(ptr nonnull @t5) + asm ("nop" : "=r" (i) : "0" (t5)); } // PR3641 void t6(void) { - __asm__ volatile("" : : "i" (t6)); + // X86_64-O0-LABEL: define{{.*}} void @t6 + // X86_64-O0: call void asm sideeffect "", "i,~{dirflag},~{fpsr},~{flags}"(ptr @{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} void @t6 + // X86_64-O2: call void asm sideeffect "", "i,~{dirflag},~{fpsr},~{flags}"(ptr nonnull @{{.*}}) + // + // I386-O0-LABEL: define{{.*}} void @t6 + // I386-O0: call void asm sideeffect "", "i,~{dirflag},~{fpsr},~{flags}"(ptr @{{.*}}) + // + // I386-O2-LABEL: define{{.*}} void @t6 + // I386-O2: call void asm sideeffect "", "i,~{dirflag},~{fpsr},~{flags}"(ptr nonnull @{{.*}}) + __asm__ volatile ("" : : "i" (t6)); } void t7(int a) { - __asm__ volatile("T7 NAMED: %[input]" : "+r"(a): [input] "i" (4)); - // CHECK: @t7(i32 - // CHECK: T7 NAMED: $1 + // X86_64-O0-LABEL: define{{.*}} void @t7 + // X86_64-O0: call i32 asm sideeffect "T7 NAMED: $1", "=r,i,0,~{dirflag},~{fpsr},~{flags}" + // X86_64-O0-SAME: (i32 4, i32 %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} void @t7 + // X86_64-O2: call i32 asm sideeffect "T7 NAMED: $1", "=r,i,0,~{dirflag},~{fpsr},~{flags}" + // X86_64-O2-SAME: (i32 4, i32 %{{.*}}) + // + // I386-O0-LABEL: define{{.*}} void @t7 + // I386-O0: call i32 asm sideeffect "T7 NAMED: $1", "=r,i,0,~{dirflag},~{fpsr},~{flags}" + // I386-O0-SAME: (i32 4, i32 %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} void @t7 + // I386-O2: call i32 asm sideeffect "T7 NAMED: $1", "=r,i,0,~{dirflag},~{fpsr},~{flags}" + // I386-O2-SAME: (i32 4, i32 %{{.*}}) + __asm__ volatile ("T7 NAMED: %[input]" : "+r" (a): [input] "i" (4)); } void t8(void) { - __asm__ volatile("T8 NAMED MODIFIER: %c[input]" :: [input] "i" (4)); - // CHECK: @t8() - // CHECK: T8 NAMED MODIFIER: ${0:c} + // X86_64-O0-LABEL: define{{.*}} void @t8 + // X86_64-O0: call void asm sideeffect "T8 NAMED MODIFIER: ${0:c}", "i,~{dirflag},~{fpsr},~{flags}"(i32 4) + // + // X86_64-O2-LABEL: define{{.*}} void @t8 + // X86_64-O2: call void asm sideeffect "T8 NAMED MODIFIER: ${0:c}", "i,~{dirflag},~{fpsr},~{flags}"(i32 4) + // + // I386-O0-LABEL: define{{.*}} void @t8 + // I386-O0: call void asm sideeffect "T8 NAMED MODIFIER: ${0:c}", "i,~{dirflag},~{fpsr},~{flags}"(i32 4) + // + // I386-O2-LABEL: define{{.*}} void @t8 + // I386-O2: call void asm sideeffect "T8 NAMED MODIFIER: ${0:c}", "i,~{dirflag},~{fpsr},~{flags}"(i32 4) + __asm__ volatile ("T8 NAMED MODIFIER: %c[input]" :: [input] "i" (4)); } // PR3682 unsigned t9(unsigned int a) { - asm("bswap %0 %1" : "+r" (a)); + // X86_64-O0-LABEL: define{{.*}} i32 @t9 + // X86_64-O0: call i32 asm "bswap $0 $1", "=r,0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} i32 @t9 + // X86_64-O2: call i32 asm "bswap $0 $1", "=r,0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // I386-O0-LABEL: define{{.*}} i32 @t9 + // I386-O0: call i32 asm "bswap $0 $1", "=r,0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} i32 @t9 + // I386-O2: call i32 asm "bswap $0 $1", "=r,0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + asm ("bswap %0 %1" : "+r" (a)); return a; } // PR3908 void t10(int r) { - __asm__("PR3908 %[lf] %[xx] %[li] %[r]" : [r] "+r" (r) : [lf] "mx" (0), [li] "mr" (0), [xx] "x" ((double)(0))); - -// CHECK: @t10( -// CHECK:PR3908 $1 $3 $2 $0 + // X86_64-O0-LABEL: define{{.*}} void @t10 + // X86_64-O0: call i32 asm "PR3908 $1 $3 $2 $0", "=r,mx,mr,x,0,~{dirflag},~{fpsr},~{flags}" + // X86_64-O0-SAME: (i32 0, i32 0, double 0.000000e+00, i32 %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} void @t10 + // X86_64-O2: call i32 asm "PR3908 $1 $3 $2 $0", "=r,mx,mr,x,0,~{dirflag},~{fpsr},~{flags}" + // X86_64-O2-SAME: (i32 0, i32 0, double 0.000000e+00, i32 %{{.*}}) + // + // I386-O0-LABEL: define{{.*}} void @t10 + // I386-O0: call i32 asm "PR3908 $1 $3 $2 $0", "=r,mx,mr,x,0,~{dirflag},~{fpsr},~{flags}" + // I386-O0-SAME: (i32 0, i32 0, double 0.000000e+00, i32 %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} void @t10 + // I386-O2: call i32 asm "PR3908 $1 $3 $2 $0", "=r,mx,mr,x,0,~{dirflag},~{fpsr},~{flags}" + // I386-O2-SAME: (i32 0, i32 0, double 0.000000e+00, i32 %{{.*}}) + __asm__ ("PR3908 %[lf] %[xx] %[li] %[r]" : [r] "+r" (r) : [lf] "mx" (0), [li] "mr" (0), [xx] "x" ((double)(0))); } // PR3373 unsigned t11(signed char input) { + // X86_64-O0-LABEL: define{{.*}} i32 @t11 + // X86_64-O0: call i32 asm "xyz", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} i32 @t11 + // X86_64-O2: call i32 asm "xyz", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // I386-O0-LABEL: define{{.*}} i32 @t11 + // I386-O0: call i32 asm "xyz", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} i32 @t11 + // I386-O2: call i32 asm "xyz", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) unsigned output; - __asm__("xyz" - : "=a" (output) - : "0" (input)); + + __asm__ ("xyz" : "=a" (output) : "0" (input)); return output; } // PR3373 unsigned char t12(unsigned input) { + // X86_64-O0-LABEL: define{{.*}} i8 @t12 + // X86_64-O0: call i32 asm "xyz", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} i8 @t12 + // X86_64-O2: call i32 asm "xyz", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // I386-O0-LABEL: define{{.*}} i8 @t12 + // I386-O0: call i32 asm "xyz", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} i8 @t12 + // I386-O2: call i32 asm "xyz", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) unsigned char output; - __asm__("xyz" - : "=a" (output) - : "0" (input)); + + __asm__ ("xyz" : "=a" (output) : "0" (input)); return output; } unsigned char t13(unsigned input) { + // X86_64-O0-LABEL: define{{.*}} i8 @t13 + // X86_64-O0: call i32 asm "xyz $1", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} i8 @t13 + // X86_64-O2: call i32 asm "xyz $1", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // I386-O0-LABEL: define{{.*}} i8 @t13 + // I386-O0: call i32 asm "xyz $1", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} i8 @t13 + // I386-O2: call i32 asm "xyz $1", "={ax},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) unsigned char output; - __asm__("xyz %1" - : "=a" (output) - : "0" (input)); - return output; -} - -struct large { - int x[1000]; -}; -unsigned long t15(int x, struct large *P) { - __asm__("xyz " - : "=r" (x) - : "m" (*P), "0" (x)); - return x; + __asm__ ("xyz %1" : "=a" (output) : "0" (input)); + return output; } // bitfield destination of an asm. @@ -106,168 +268,398 @@ struct S { }; void t14(struct S *P) { - __asm__("abc %0" : "=r"(P->a) ); + // X86_64-O0-LABEL: define{{.*}} void @t14 + // X86_64-O0: call i32 asm "abc $0", "=r,~{dirflag},~{fpsr},~{flags}"() + // + // X86_64-O2-LABEL: define{{.*}} void @t14 + // X86_64-O2: call i32 asm "abc $0", "=r,~{dirflag},~{fpsr},~{flags}"() + // + // I386-O0-LABEL: define{{.*}} void @t14 + // I386-O0: call i32 asm "abc $0", "=r,~{dirflag},~{fpsr},~{flags}"() + // + // I386-O2-LABEL: define{{.*}} void @t14 + // I386-O2: call i32 asm "abc $0", "=r,~{dirflag},~{fpsr},~{flags}"() + __asm__ ("abc %0" : "=r" (P->a)); +} + +struct large { + int x[1000]; +}; + +unsigned long t15(int x, struct large *P) { + // X86_64-O0-LABEL: define{{.*}} i64 @t15 + // X86_64-O0: call i32 asm "xyz ", "=r,*m,0,~{dirflag},~{fpsr},~{flags}" + // X86_64-O0-SAME: (ptr elementtype(%struct.large) %{{.*}}, i32 %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} i64 @t15 + // X86_64-O2: call i32 asm "xyz ", "=r,*m,0,~{dirflag},~{fpsr},~{flags}" + // X86_64-O2-SAME: (ptr elementtype(%struct.large) %P, i32 %x) + // + // I386-O0-LABEL: define{{.*}} i32 @t15 + // I386-O0: call i32 asm "xyz ", "=r,*m,0,~{dirflag},~{fpsr},~{flags}" + // I386-O0-SAME: (ptr elementtype(%struct.large) %{{.*}}, i32 %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} i32 @t15 + // I386-O2: call i32 asm "xyz ", "=r,*m,0,~{dirflag},~{fpsr},~{flags}" + // I386-O2-SAME: (ptr elementtype(%struct.large) %P, i32 %x) + __asm__ ("xyz " : "=r" (x) : "m" (*P), "0" (x)); + return x; } // PR4938 int t16(void) { - int a,b; - asm ( "nop;" - :"=%c" (a) - : "r" (b) - ); + // X86_64-O0-LABEL: define{{.*}} i32 @t16 + // X86_64-O0: call i32 asm "nop;", "=%{cx},r,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} i32 @t16 + // X86_64-O2: call i32 asm "nop;", "=%{cx},r,~{dirflag},~{fpsr},~{flags}"(i32 undef) + // + // I386-O0-LABEL: define{{.*}} i32 @t16 + // I386-O0: call i32 asm "nop;", "=%{cx},r,~{dirflag},~{fpsr},~{flags}"(i32 %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} i32 @t16 + // I386-O2: call i32 asm "nop;", "=%{cx},r,~{dirflag},~{fpsr},~{flags}"(i32 undef) + int a, b; + + asm ("nop;" :"=%c" (a) : "r" (b)); return 0; } // PR6475 void t17(void) { + // X86_64-O0-LABEL: define{{.*}} void @t17 + // X86_64-O0: call void asm "nop", "=*m,~{dirflag},~{fpsr},~{flags}"(ptr elementtype(i32) %{{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} void @t17 + // X86_64-O2: call void asm "nop", "=*m,~{dirflag},~{fpsr},~{flags}"(ptr nonnull elementtype(i32) %{{.*}}) + // + // I386-O0-LABEL: define{{.*}} void @t17 + // I386-O0: call void asm "nop", "=*m,~{dirflag},~{fpsr},~{flags}"(ptr elementtype(i32) %{{.*}}) + // + // I386-O2-LABEL: define{{.*}} void @t17 + // I386-O2: call void asm "nop", "=*m,~{dirflag},~{fpsr},~{flags}"(ptr nonnull elementtype(i32) %{{.*}}) int i; - __asm__ ( "nop": "=m"(i)); -// CHECK: @t17() -// CHECK: call void asm "nop", "=*m, + __asm__ ("nop": "=m" (i)); } int t18(unsigned data) { + // X86_64-O0-LABEL: define{{.*}} i32 @t18 + // X86_64-O0: [[ASM_RES:%[a-z0-9.]+]] ={{.*}} call { i32, i32 } + // X86_64-O0-SAME: asm "xyz", "={ax},={dx},{ax},~{dirflag},~{fpsr},~{flags}"(i32 {{.*}}) + // X86_64-O0-NEXT: extractvalue { i32, i32 } [[ASM_RES]], 0 + // X86_64-O0-NEXT: extractvalue { i32, i32 } [[ASM_RES]], 1 + // + // X86_64-O2-LABEL: define{{.*}} i32 @t18 + // X86_64-O2: [[ASM_RES:%[a-z0-9.]+]] ={{.*}} call { i32, i32 } + // X86_64-O2-SAME: asm "xyz", "={ax},={dx},{ax},~{dirflag},~{fpsr},~{flags}"(i32 {{.*}}) + // X86_64-O2-NEXT: extractvalue { i32, i32 } [[ASM_RES]], 0 + // X86_64-O2-NEXT: extractvalue { i32, i32 } [[ASM_RES]], 1 + // + // I386-O0-LABEL: define{{.*}} i32 @t18 + // I386-O0: [[ASM_RES:%[a-z0-9.]+]] ={{.*}} call { i32, i32 } + // I386-O0-SAME: asm "xyz", "={ax},={dx},{ax},~{dirflag},~{fpsr},~{flags}"(i32 {{.*}}) + // I386-O0-NEXT: extractvalue { i32, i32 } [[ASM_RES]], 0 + // I386-O0-NEXT: extractvalue { i32, i32 } [[ASM_RES]], 1 + // + // I386-O2-LABEL: define{{.*}} i32 @t18 + // I386-O2: [[ASM_RES:%[a-z0-9.]+]] ={{.*}} call { i32, i32 } + // I386-O2-SAME: asm "xyz", "={ax},={dx},{ax},~{dirflag},~{fpsr},~{flags}"(i32 {{.*}}) + // I386-O2-NEXT: extractvalue { i32, i32 } [[ASM_RES]], 0 + // I386-O2-NEXT: extractvalue { i32, i32 } [[ASM_RES]], 1 int a, b; - asm("xyz" :"=a"(a), "=d"(b) : "a"(data)); + asm ("xyz" : "=a" (a), "=d" (b) : "a" (data)); return a + b; -// CHECK: t18(i32 -// CHECK: = call {{.*}}asm "xyz" -// CHECK-NEXT: extractvalue -// CHECK-NEXT: extractvalue } // PR6780 int t19(unsigned data) { + // X86_64-O0-LABEL: define{{.*}} i32 @t19 + // X86_64-O0: call i32 asm "x$(abc$|def$|ghi$)z", "=r,r,~{dirflag},~{fpsr},~{flags}"(i32 {{.*}}) + // + // X86_64-O2-LABEL: define{{.*}} i32 @t19 + // X86_64-O2: call i32 asm "x$(abc$|def$|ghi$)z", "=r,r,~{dirflag},~{fpsr},~{flags}"(i32 {{.*}}) + // + // I386-O0-LABEL: define{{.*}} i32 @t19 + // I386-O0: call i32 asm "x$(abc$|def$|ghi$)z", "=r,r,~{dirflag},~{fpsr},~{flags}"(i32 {{.*}}) + // + // I386-O2-LABEL: define{{.*}} i32 @t19 + // I386-O2: call i32 asm "x$(abc$|def$|ghi$)z", "=r,r,~{dirflag},~{fpsr},~{flags}"(i32 {{.*}}) int a, b; - asm("x{abc|def|ghi}z" :"=r"(a): "r"(data)); + asm ("x{abc|def|ghi}z" : "=r" (a) : "r" (data)); return a + b; - // CHECK: t19(i32 - // CHECK: = call {{.*}}asm "x$(abc$|def$|ghi$)z" } // PR6845 - Mismatching source/dest fp types. double t20(double x) { + // X86_64-O0-LABEL: define{{.*}} double @t20 + // X86_64-O0: fpext double {{.*}} to x86_fp80 + // X86_64-O0-NEXT: call x86_fp80 asm sideeffect "frndint", "={st},0,~{dirflag},~{fpsr},~{flags}"(x86_fp80 {{.*}}) + // X86_64-O0: fptrunc x86_fp80 {{.*}} to double + // + // X86_64-O2-LABEL: define{{.*}} double @t20 + // X86_64-O2: fpext double {{.*}} to x86_fp80 + // X86_64-O2-NEXT: call x86_fp80 asm sideeffect "frndint", "={st},0,~{dirflag},~{fpsr},~{flags}"(x86_fp80 {{.*}}) + // X86_64-O2-NEXT: fptrunc x86_fp80 {{.*}} to double + // + // I386-O0-LABEL: define{{.*}} double @t20 + // I386-O0: fpext double {{.*}} to x86_fp80 + // I386-O0-NEXT: call x86_fp80 asm sideeffect "frndint", "={st},0,~{dirflag},~{fpsr},~{flags}"(x86_fp80 {{.*}}) + // I386-O0: fptrunc x86_fp80 {{.*}} to double + // + // I386-O2-LABEL: define{{.*}} double @t20 + // I386... [truncated] `````````` </details> https://github.com/llvm/llvm-project/pull/191944 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
