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1; RUN: llc < %s -verify-machineinstrs -mtriple=powerpc-unknown-unkown \2; RUN: -mcpu=pwr7 -O0 2>&1 | FileCheck %s3; RUN: llc < %s -verify-machineinstrs -mtriple=powerpc64-unknown-unkown \4; RUN: -mcpu=pwr7 -O0 2>&1 | FileCheck %s5 6define void @test_r1_clobber() {7entry:8 call void asm sideeffect "nop", "~{r1}"()9 ret void10}11 12; CHECK: warning: inline asm clobber list contains reserved registers: R113; CHECK-NEXT: note: Reserved registers on the clobber list may not be preserved across the asm statement, and clobbering them may lead to undefined behaviour.14 15define void @test_x1_clobber() {16entry:17 call void asm sideeffect "nop", "~{x1}"()18 ret void19}20 21; CHECK: warning: inline asm clobber list contains reserved registers: X122; CHECK-NEXT: note: Reserved registers on the clobber list may not be preserved across the asm statement, and clobbering them may lead to undefined behaviour.23 24; CHECK: warning: inline asm clobber list contains reserved registers: R3125; CHECK-NEXT: note: Reserved registers on the clobber list may not be preserved across the asm statement, and clobbering them may lead to undefined behaviour.26 27@a = dso_local global i32 100, align 428define dso_local signext i32 @main() {29entry:30 %retval = alloca i32, align 431 %old = alloca i64, align 832 store i32 0, ptr %retval, align 433 call void asm sideeffect "li 31, 1", "~{r31}"()34 call void asm sideeffect "li 30, 1", "~{r30}"()35 %0 = call i64 asm sideeffect "mr $0, 31", "=r"()36 store i64 %0, ptr %old, align 837 %1 = load i32, ptr @a, align 438 %conv = sext i32 %1 to i6439 %2 = alloca i8, i64 %conv, align 1640 %3 = load i64, ptr %old, align 841 %conv1 = trunc i64 %3 to i3242 ret i32 %conv143}44