[clang] [Clang] Expand test to include x86_64 and i386 both -O0 and -O2 (PR #191944)
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Mon Apr 13 22:03:39 PDT 2026
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
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