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fcbefce153
We weren't using this before, so none of the MachineFunction CFG edges had the branch probability information added. As a result, block placement later in the pipeline was flying blind. This is enabled only with optimizations enabled like SelectionDAG. Differential Revision: https://reviews.llvm.org/D86824
179 lines
5.3 KiB
LLVM
179 lines
5.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=ALL
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define i8 @test_i8(i32 %a, i8 %f, i8 %t) {
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; ALL-LABEL: test_i8:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: xorl %ecx, %ecx
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; ALL-NEXT: cmpl %ecx, %edi
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; ALL-NEXT: setg %cl
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; ALL-NEXT: testb $1, %cl
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; ALL-NEXT: je .LBB0_2
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; ALL-NEXT: # %bb.1:
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; ALL-NEXT: movl %esi, %eax
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; ALL-NEXT: # kill: def $al killed $al killed $eax
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; ALL-NEXT: retq
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; ALL-NEXT: .LBB0_2: # %cond.false
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; ALL-NEXT: movl %edx, %eax
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; ALL-NEXT: # kill: def $al killed $al killed $eax
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; ALL-NEXT: retq
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entry:
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%cmp = icmp sgt i32 %a, 0
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br i1 %cmp, label %cond.true, label %cond.false
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cond.true: ; preds = %entry
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br label %cond.end
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cond.false: ; preds = %entry
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br label %cond.end
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cond.end: ; preds = %cond.false, %cond.true
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%cond = phi i8 [ %f, %cond.true ], [ %t, %cond.false ]
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ret i8 %cond
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}
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define i16 @test_i16(i32 %a, i16 %f, i16 %t) {
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; ALL-LABEL: test_i16:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: xorl %ecx, %ecx
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; ALL-NEXT: cmpl %ecx, %edi
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; ALL-NEXT: setg %cl
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; ALL-NEXT: testb $1, %cl
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; ALL-NEXT: je .LBB1_2
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; ALL-NEXT: # %bb.1:
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; ALL-NEXT: movl %esi, %eax
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; ALL-NEXT: # kill: def $ax killed $ax killed $eax
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; ALL-NEXT: retq
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; ALL-NEXT: .LBB1_2: # %cond.false
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; ALL-NEXT: movl %edx, %eax
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; ALL-NEXT: # kill: def $ax killed $ax killed $eax
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; ALL-NEXT: retq
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entry:
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%cmp = icmp sgt i32 %a, 0
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br i1 %cmp, label %cond.true, label %cond.false
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cond.true: ; preds = %entry
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br label %cond.end
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cond.false: ; preds = %entry
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br label %cond.end
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cond.end: ; preds = %cond.false, %cond.true
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%cond = phi i16 [ %f, %cond.true ], [ %t, %cond.false ]
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ret i16 %cond
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}
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define i32 @test_i32(i32 %a, i32 %f, i32 %t) {
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; ALL-LABEL: test_i32:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: movl %esi, %eax
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; ALL-NEXT: xorl %ecx, %ecx
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; ALL-NEXT: cmpl %ecx, %edi
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; ALL-NEXT: setg %cl
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; ALL-NEXT: testb $1, %cl
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; ALL-NEXT: je .LBB2_1
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; ALL-NEXT: # %bb.2: # %cond.end
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; ALL-NEXT: retq
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; ALL-NEXT: .LBB2_1: # %cond.false
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; ALL-NEXT: movl %edx, %eax
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; ALL-NEXT: retq
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entry:
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%cmp = icmp sgt i32 %a, 0
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br i1 %cmp, label %cond.true, label %cond.false
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cond.true: ; preds = %entry
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br label %cond.end
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cond.false: ; preds = %entry
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br label %cond.end
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cond.end: ; preds = %cond.false, %cond.true
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%cond = phi i32 [ %f, %cond.true ], [ %t, %cond.false ]
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ret i32 %cond
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}
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define i64 @test_i64(i32 %a, i64 %f, i64 %t) {
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; ALL-LABEL: test_i64:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: movq %rsi, %rax
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; ALL-NEXT: xorl %ecx, %ecx
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; ALL-NEXT: cmpl %ecx, %edi
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; ALL-NEXT: setg %cl
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; ALL-NEXT: testb $1, %cl
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; ALL-NEXT: je .LBB3_1
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; ALL-NEXT: # %bb.2: # %cond.end
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; ALL-NEXT: retq
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; ALL-NEXT: .LBB3_1: # %cond.false
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; ALL-NEXT: movq %rdx, %rax
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; ALL-NEXT: retq
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entry:
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%cmp = icmp sgt i32 %a, 0
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br i1 %cmp, label %cond.true, label %cond.false
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cond.true: ; preds = %entry
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br label %cond.end
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cond.false: ; preds = %entry
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br label %cond.end
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cond.end: ; preds = %cond.false, %cond.true
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%cond = phi i64 [ %f, %cond.true ], [ %t, %cond.false ]
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ret i64 %cond
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}
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define float @test_float(i32 %a, float %f, float %t) {
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; ALL-LABEL: test_float:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: xorl %eax, %eax
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; ALL-NEXT: cmpl %eax, %edi
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; ALL-NEXT: setg %al
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; ALL-NEXT: testb $1, %al
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; ALL-NEXT: je .LBB4_1
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; ALL-NEXT: # %bb.2: # %cond.end
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; ALL-NEXT: retq
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; ALL-NEXT: .LBB4_1: # %cond.false
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; ALL-NEXT: movaps %xmm1, %xmm0
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; ALL-NEXT: retq
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entry:
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%cmp = icmp sgt i32 %a, 0
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br i1 %cmp, label %cond.true, label %cond.false
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cond.true: ; preds = %entry
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br label %cond.end
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cond.false: ; preds = %entry
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br label %cond.end
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cond.end: ; preds = %cond.false, %cond.true
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%cond = phi float [ %f, %cond.true ], [ %t, %cond.false ]
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ret float %cond
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}
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define double @test_double(i32 %a, double %f, double %t) {
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; ALL-LABEL: test_double:
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; ALL: # %bb.0: # %entry
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; ALL-NEXT: xorl %eax, %eax
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; ALL-NEXT: cmpl %eax, %edi
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; ALL-NEXT: setg %al
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; ALL-NEXT: testb $1, %al
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; ALL-NEXT: je .LBB5_1
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; ALL-NEXT: # %bb.2: # %cond.end
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; ALL-NEXT: retq
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; ALL-NEXT: .LBB5_1: # %cond.false
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; ALL-NEXT: movaps %xmm1, %xmm0
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; ALL-NEXT: retq
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entry:
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%cmp = icmp sgt i32 %a, 0
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br i1 %cmp, label %cond.true, label %cond.false
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cond.true: ; preds = %entry
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br label %cond.end
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cond.false: ; preds = %entry
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br label %cond.end
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cond.end: ; preds = %cond.false, %cond.true
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%cond = phi double [ %f, %cond.true ], [ %t, %cond.false ]
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ret double %cond
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}
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