derek.holloway
7502bf64a4
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213 lines
6.4 KiB
LLVM
213 lines
6.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
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target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; RUN: llc -ppc-gpr-icmps=all -verify-machineinstrs -O2 -ppc-asm-full-reg-names -mcpu=pwr7 -mattr=-isel < %s | FileCheck %s --implicit-check-not isel
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define signext i32 @testExpandISELToIfElse(i32 signext %i, i32 signext %j) {
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; CHECK-LABEL: testExpandISELToIfElse:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cmpwi r3, 0
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; CHECK-NEXT: ble cr0, .LBB0_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: addi r4, r3, 1
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; CHECK-NEXT: .LBB0_2: # %entry
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; CHECK-NEXT: extsw r3, r4
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; CHECK-NEXT: blr
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entry:
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%cmp = icmp sgt i32 %i, 0
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%add = add nsw i32 %i, 1
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%cond = select i1 %cmp, i32 %add, i32 %j
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ret i32 %cond
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}
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define signext i32 @testExpandISELToIf(i32 signext %i, i32 signext %j) {
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; CHECK-LABEL: testExpandISELToIf:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cmpwi r3, 0
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; CHECK-NEXT: bgt cr0, .LBB1_2
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; CHECK-NEXT: # %bb.1: # %entry
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; CHECK-NEXT: mr r4, r3
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; CHECK-NEXT: .LBB1_2: # %entry
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; CHECK-NEXT: mr r3, r4
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; CHECK-NEXT: blr
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entry:
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%cmp = icmp sgt i32 %i, 0
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%cond = select i1 %cmp, i32 %j, i32 %i
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ret i32 %cond
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}
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define signext i32 @testExpandISELToElse(i32 signext %i, i32 signext %j) {
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; CHECK-LABEL: testExpandISELToElse:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cmpwi r3, 0
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; CHECK-NEXT: bgtlr cr0
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; CHECK-NEXT: # %bb.1: # %entry
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; CHECK-NEXT: mr r3, r4
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; CHECK-NEXT: blr
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entry:
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%cmp = icmp sgt i32 %i, 0
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%cond = select i1 %cmp, i32 %i, i32 %j
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ret i32 %cond
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}
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define signext i32 @testExpandISELToNull(i32 signext %i, i32 signext %j) {
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; CHECK-LABEL: testExpandISELToNull:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: blr
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entry:
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%cmp = icmp sgt i32 %i, 0
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%cond = select i1 %cmp, i32 %i, i32 %i
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ret i32 %cond
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}
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define signext i32 @testExpandISELsTo2ORIs2ADDIs(i32 signext %a, i32 signext %b, i32 signext %d, i32 signext %f, i32 signext %g) {
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; CHECK-LABEL: testExpandISELsTo2ORIs2ADDIs:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cmpwi r7, 0
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; CHECK-NEXT: bgt cr0, .LBB4_2
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; CHECK-NEXT: # %bb.1: # %entry
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; CHECK-NEXT: mr r7, r4
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; CHECK-NEXT: .LBB4_2: # %entry
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; CHECK-NEXT: bgt cr0, .LBB4_4
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; CHECK-NEXT: # %bb.3: # %entry
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; CHECK-NEXT: mr r5, r6
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; CHECK-NEXT: .LBB4_4: # %entry
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; CHECK-NEXT: add r3, r7, r5
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; CHECK-NEXT: extsw r3, r3
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; CHECK-NEXT: blr
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entry:
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%cmp = icmp sgt i32 %g, 0
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%a.b = select i1 %cmp, i32 %g, i32 %b
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%d.f = select i1 %cmp, i32 %d, i32 %f
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%add = add nsw i32 %a.b, %d.f
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ret i32 %add
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}
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define signext i32 @testExpandISELsTo2ORIs1ADDI(i32 signext %a, i32 signext %b, i32 signext %d, i32 signext %f, i32 signext %g) {
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; CHECK-LABEL: testExpandISELsTo2ORIs1ADDI:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cmpwi r7, 0
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; CHECK-NEXT: bgt cr0, .LBB5_2
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; CHECK-NEXT: # %bb.1: # %entry
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; CHECK-NEXT: mr r3, r4
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; CHECK-NEXT: .LBB5_2: # %entry
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; CHECK-NEXT: bgt cr0, .LBB5_4
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; CHECK-NEXT: # %bb.3: # %entry
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; CHECK-NEXT: mr r5, r6
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; CHECK-NEXT: .LBB5_4: # %entry
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; CHECK-NEXT: add r3, r3, r5
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; CHECK-NEXT: extsw r3, r3
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; CHECK-NEXT: blr
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entry:
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%cmp = icmp sgt i32 %g, 0
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%a.b = select i1 %cmp, i32 %a, i32 %b
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%d.f = select i1 %cmp, i32 %d, i32 %f
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%add = add nsw i32 %a.b, %d.f
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ret i32 %add
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}
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define signext i32 @testExpandISELsTo1ORI1ADDI(i32 signext %a, i32 signext %b, i32 signext %d, i32 signext %f, i32 signext %g) {
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; CHECK-LABEL: testExpandISELsTo1ORI1ADDI:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cmpwi r7, 0
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; CHECK-NEXT: mr r7, r3
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; CHECK-NEXT: bgt cr0, .LBB6_2
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; CHECK-NEXT: # %bb.1: # %entry
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; CHECK-NEXT: mr r7, r4
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; CHECK-NEXT: .LBB6_2: # %entry
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; CHECK-NEXT: bgt cr0, .LBB6_4
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; CHECK-NEXT: # %bb.3: # %entry
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; CHECK-NEXT: mr r5, r6
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; CHECK-NEXT: .LBB6_4: # %entry
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; CHECK-NEXT: add r4, r7, r5
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; CHECK-NEXT: add r3, r3, r4
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; CHECK-NEXT: extsw r3, r3
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; CHECK-NEXT: blr
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entry:
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%cmp = icmp sgt i32 %g, 0
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%a.b = select i1 %cmp, i32 %a, i32 %b
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%d.f = select i1 %cmp, i32 %d, i32 %f
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%add1 = add nsw i32 %a.b, %d.f
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%add2 = add nsw i32 %a, %add1
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ret i32 %add2
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}
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define signext i32 @testExpandISELsTo0ORI2ADDIs(i32 signext %a, i32 signext %b, i32 signext %d, i32 signext %f, i32 signext %g) {
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; CHECK-LABEL: testExpandISELsTo0ORI2ADDIs:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cmpwi r7, 0
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; CHECK-NEXT: mr r7, r3
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; CHECK-NEXT: bgt cr0, .LBB7_2
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; CHECK-NEXT: # %bb.1: # %entry
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; CHECK-NEXT: mr r7, r4
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; CHECK-NEXT: .LBB7_2: # %entry
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; CHECK-NEXT: mr r4, r5
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; CHECK-NEXT: bgt cr0, .LBB7_4
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; CHECK-NEXT: # %bb.3: # %entry
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; CHECK-NEXT: mr r4, r6
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; CHECK-NEXT: .LBB7_4: # %entry
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; CHECK-NEXT: add r4, r7, r4
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; CHECK-NEXT: add r3, r3, r4
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; CHECK-NEXT: sub r3, r3, r5
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; CHECK-NEXT: extsw r3, r3
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; CHECK-NEXT: blr
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entry:
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%cmp = icmp sgt i32 %g, 0
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%a.b = select i1 %cmp, i32 %a, i32 %b
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%d.f = select i1 %cmp, i32 %d, i32 %f
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%add1 = add nsw i32 %a.b, %d.f
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%add2 = add nsw i32 %a, %add1
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%sub1 = sub nsw i32 %add2, %d
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ret i32 %sub1
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}
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@b = local_unnamed_addr global i32 0, align 4
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@a = local_unnamed_addr global i32 0, align 4
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; Function Attrs: norecurse nounwind readonly
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define signext i32 @testComplexISEL() #0 {
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; CHECK-LABEL: testComplexISEL:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addis r3, r2, .LC0@toc@ha
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; CHECK-NEXT: ld r3, .LC0@toc@l(r3)
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; CHECK-NEXT: lwz r4, 0(r3)
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; CHECK-NEXT: li r3, 1
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; CHECK-NEXT: cmplwi r4, 0
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; CHECK-NEXT: bnelr cr0
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; CHECK-NEXT: # %bb.1: # %if.end
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; CHECK-NEXT: addis r3, r2, .LC1@toc@ha
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; CHECK-NEXT: addis r4, r2, .LC2@toc@ha
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; CHECK-NEXT: ld r3, .LC1@toc@l(r3)
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; CHECK-NEXT: ld r4, .LC2@toc@l(r4)
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; CHECK-NEXT: lwa r3, 0(r3)
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; CHECK-NEXT: xor r3, r3, r4
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; CHECK-NEXT: cntlzd r3, r3
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; CHECK-NEXT: rldicl r3, r3, 58, 63
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; CHECK-NEXT: blr
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entry:
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%0 = load i32, ptr @b, align 4, !tbaa !1
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%tobool = icmp eq i32 %0, 0
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br i1 %tobool, label %if.end, label %cleanup
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if.end:
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%1 = load i32, ptr @a, align 4, !tbaa !1
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%conv = sext i32 %1 to i64
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%2 = inttoptr i64 %conv to ptr
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%cmp = icmp eq ptr %2, @testComplexISEL
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%conv3 = zext i1 %cmp to i32
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br label %cleanup
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cleanup:
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%retval.0 = phi i32 [ %conv3, %if.end ], [ 1, %entry ]
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ret i32 %retval.0
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}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"int", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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