| Nemanja Ivanovic | d6f93f5 | 2017-09-22 11:50:25 +0000 | [diff] [blame] | 1 | ; The purpose of the test case is to ensure that a spill that happens during |
| 2 | ; intermediate calculations for a comparison performed in a GPR spills the |
| 3 | ; full register. Some i32 comparisons performed in GPRs use code that uses |
| 4 | ; the full 64-bits of the register in intermediate stages. Spilling such a value |
| 5 | ; as a 32-bit value is incorrect. |
| 6 | ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \ |
| Nemanja Ivanovic | db7e770 | 2017-11-30 13:39:10 +0000 | [diff] [blame] | 7 | ; RUN: -ppc-gpr-icmps=all -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \ |
| Nemanja Ivanovic | d6f93f5 | 2017-09-22 11:50:25 +0000 | [diff] [blame] | 8 | ; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl |
| 9 | ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \ |
| Nemanja Ivanovic | db7e770 | 2017-11-30 13:39:10 +0000 | [diff] [blame] | 10 | ; RUN: -ppc-gpr-icmps=all -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \ |
| Nemanja Ivanovic | d6f93f5 | 2017-09-22 11:50:25 +0000 | [diff] [blame] | 11 | ; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl |
| 12 | @glob = common local_unnamed_addr global i64 0, align 8 |
| 13 | @.str = private unnamed_addr constant [12 x i8] c"Value = %d\0A\00", align 1 |
| 14 | |
| 15 | ; Function Attrs: noinline nounwind |
| 16 | define void @call(i64 %a) local_unnamed_addr #0 { |
| 17 | entry: |
| 18 | store i64 %a, i64* @glob, align 8 |
| 19 | tail call void asm sideeffect "#Do Nothing", "~{memory}"() |
| 20 | ret void |
| 21 | } |
| 22 | |
| 23 | ; Function Attrs: noinline nounwind |
| 24 | define signext i32 @test(i32 signext %a, i32 signext %b, i32 signext %c) local_unnamed_addr #0 { |
| 25 | entry: |
| 26 | %add = add nsw i32 %b, %a |
| 27 | %sub = sub nsw i32 %add, %c |
| 28 | %conv = sext i32 %sub to i64 |
| 29 | tail call void @call(i64 %conv) |
| 30 | tail call void asm sideeffect "#Do Nothing", "~{r0},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{r16},~{r17},~{r18},~{r19},~{r20},~{r21},~{r22},~{r23},~{r24},~{r25},~{r26},~{r27},~{r28},~{r29},~{r30},~{r31}"() |
| 31 | %cmp = icmp sle i32 %add, %c |
| 32 | %conv1 = zext i1 %cmp to i32 |
| 33 | ret i32 %conv1 |
| 34 | ; CHECK-LABEL: test |
| 35 | ; CHECK: subf r3, |
| 36 | ; CHECK: extsw r3, |
| 37 | ; CHECK: bl call |
| 38 | ; CHECK: sub r3, |
| 39 | ; CHECK: rldicl r3, r3, 1, 63 |
| 40 | ; CHECK: std r3, [[OFF:[0-9]+]](r1) |
| 41 | ; CHECK: #APP |
| 42 | ; CHECK: ld r3, [[OFF]](r1) |
| 43 | ; CHECK: xori r3, r3, 1 |
| 44 | ; CHECK: blr |
| 45 | } |
| 46 | |
| 47 | ; Function Attrs: nounwind |
| 48 | define signext i32 @main() local_unnamed_addr #1 { |
| 49 | entry: |
| 50 | %call = tail call signext i32 @test(i32 signext 10, i32 signext -15, i32 signext 0) |
| 51 | %call1 = tail call signext i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 signext %call) |
| 52 | ret i32 0 |
| 53 | } |
| 54 | |
| 55 | ; Function Attrs: nounwind |
| 56 | declare signext i32 @printf(i8* nocapture readonly, ...) local_unnamed_addr #2 |