1 ; RUN: llc -march=hexagon -relocation-model=pic < %s | FileCheck %s 2 3 ; Force the use of R14 (by clobbering everything else in the inline asm). 4 ; Make sure that R14 is not set before the __save call (which will clobber 5 ; R14, R15 and R28). 6 ; CHECK: call __save_r16_through_r27 7 ; CHECK: } 8 ; CHECK: r14{{ *}}= 9 10 @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 11 12 ; Function Attrs: nounwind optsize 13 define i32 @_Z7testR14Pi(i32* nocapture %res) #0 { 14 entry: 15 %0 = load i32, i32* %res, align 4 16 %1 = tail call { i32, i32 } asm "r0=$2\0A\09$1=add(r0,#$3)\0A\09$0=add(r0,#$4)\0A\09", "=r,=r,r,i,i,~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r15},~{r16},~{r17},~{r18},~{r19},~{r20},~{r21},~{r22},~{r23},~{r24},~{r25},~{r26},~{r27}"(i32 %0, i32 40, i32 50) #1 17 %asmresult = extractvalue { i32, i32 } %1, 0 18 %asmresult1 = extractvalue { i32, i32 } %1, 1 19 store i32 %asmresult, i32* %res, align 4 20 %call = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %asmresult1) #2 21 %2 = load i32, i32* %res, align 4 22 %call2 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %2) #2 23 ret i32 0 24 } 25 26 ; Function Attrs: nounwind optsize 27 declare i32 @printf(i8*, ...) #0 28 29 ; Same as above for R15. 30 ; CHECK: call __save_r16_through_r27 31 ; CHECK: } 32 ; CHECK: r15{{ *}}= 33 34 ; Function Attrs: nounwind optsize 35 define i32 @_Z7testR15Pi(i32* nocapture %res) #0 { 36 entry: 37 %0 = load i32, i32* %res, align 4 38 %1 = tail call { i32, i32 } asm "r0=$2\0A\09$1=add(r0,#$3)\0A\09$0=add(r0,#$4)\0A\09", "=r,=r,r,i,i,~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r16},~{r17},~{r18},~{r19},~{r20},~{r21},~{r22},~{r23},~{r24},~{r25},~{r26},~{r27}"(i32 %0, i32 40, i32 50) #1 39 %asmresult = extractvalue { i32, i32 } %1, 0 40 %asmresult1 = extractvalue { i32, i32 } %1, 1 41 store i32 %asmresult, i32* %res, align 4 42 %call = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %asmresult1) #2 43 %2 = load i32, i32* %res, align 4 44 %call2 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %2) #2 45 ret i32 0 46 } 47 48 ; Same as above for R28. 49 ; CHECK: call __save_r16_through_r27 50 ; CHECK: } 51 ; CHECK: r28{{ *}}= 52 53 ; Function Attrs: nounwind optsize 54 define i32 @_Z7testR28Pi(i32* nocapture %res) #0 { 55 entry: 56 %0 = load i32, i32* %res, align 4 57 %1 = tail call { i32, i32 } asm "r0=$2\0A\09$1=add(r0,#$3)\0A\09$0=add(r0,#$4)\0A\09", "=r,=r,r,i,i,~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{r16},~{r17},~{r18},~{r19},~{r20},~{r21},~{r22},~{r23},~{r24},~{r25},~{r26}"(i32 %0, i32 40, i32 50) #1 58 %asmresult = extractvalue { i32, i32 } %1, 0 59 %asmresult1 = extractvalue { i32, i32 } %1, 1 60 store i32 %asmresult, i32* %res, align 4 61 %call = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %asmresult1) #2 62 %2 = load i32, i32* %res, align 4 63 %call2 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %2) #2 64 ret i32 0 65 } 66 67 attributes #0 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 68 attributes #1 = { nounwind } 69 attributes #2 = { nounwind optsize } 70
