| Zaara Syeda | 50ce30c | 2017-09-21 17:05:47 +0000 | [diff] [blame] | 1 | ; RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple=powerpc64le-unknown-linux-gnu -ppc-enable-gpr-to-vsr-spills < %s | FileCheck %s |
| Zaara Syeda | fcd9697 | 2017-09-21 16:12:33 +0000 | [diff] [blame] | 2 | define signext i32 @foo(i32 signext %a, i32 signext %b) { |
| 3 | entry: |
| 4 | %cmp = icmp slt i32 %a, %b |
| 5 | br i1 %cmp, label %if.then, label %if.end |
| 6 | |
| 7 | if.then: ; preds = %entry |
| 8 | %0 = tail call i32 asm "add $0, $1, $2", "=r,r,r,~{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},~{r27},~{r28},~{r29}"(i32 %a, i32 %b) |
| 9 | %mul = mul nsw i32 %0, %a |
| 10 | %add = add i32 %b, %a |
| 11 | %tmp = add i32 %add, %mul |
| 12 | br label %if.end |
| 13 | |
| 14 | if.end: ; preds = %if.then, %entry |
| 15 | %e.0 = phi i32 [ %tmp, %if.then ], [ undef, %entry ] |
| 16 | ret i32 %e.0 |
| 17 | ; CHECK: @foo |
| 18 | ; CHECK: mr [[NEWREG:[0-9]+]], 3 |
| Geoff Berry | a2b9011 | 2018-02-27 16:59:10 +0000 | [diff] [blame] | 19 | ; CHECK: mr [[REG1:[0-9]+]], 4 |
| Zaara Syeda | fcd9697 | 2017-09-21 16:12:33 +0000 | [diff] [blame] | 20 | ; CHECK: mtvsrd [[NEWREG2:[0-9]+]], 4 |
| Zaara Syeda | fcd9697 | 2017-09-21 16:12:33 +0000 | [diff] [blame] | 21 | ; CHECK: add {{[0-9]+}}, [[NEWREG]], [[REG1]] |
| 22 | ; CHECK: mffprd [[REG2:[0-9]+]], [[NEWREG2]] |
| 23 | ; CHECK: add {{[0-9]+}}, [[REG2]], [[NEWREG]] |
| 24 | } |