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74 lines
1.3 KiB
74 lines
1.3 KiB
4 months ago
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# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o - %s | FileCheck %s
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# This test ensures that the MIR parser parses machine basic block operands.
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--- |
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define i32 @foo(i32* %p) {
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entry:
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%a = load i32, i32* %p
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%0 = icmp sle i32 %a, 10
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br i1 %0, label %less, label %exit
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less:
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ret i32 0
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exit:
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ret i32 %a
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}
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define i32 @bar(i32* %p) {
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entry:
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%a = load i32, i32* %p
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%b = icmp sle i32 %a, 10
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br i1 %b, label %0, label %1
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; <label>:0
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ret i32 0
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; <label>:1
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ret i32 %a
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}
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...
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---
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# CHECK: name: foo
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name: foo
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body: |
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; CHECK: bb.0.entry
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bb.0.entry:
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successors: %bb.1.less, %bb.2.exit
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%eax = MOV32rm %rdi, 1, _, 0, _
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; CHECK: CMP32ri8 %eax, 10
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; CHECK-NEXT: JG_1 %bb.2.exit
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CMP32ri8 %eax, 10, implicit-def %eflags
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JG_1 %bb.2.exit, implicit %eflags
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; CHECK: bb.1.less:
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bb.1.less:
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%eax = MOV32r0 implicit-def %eflags
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bb.2.exit:
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RETQ %eax
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...
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---
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# CHECK: name: bar
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name: bar
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body: |
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; CHECK: bb.0.entry:
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bb.0.entry:
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successors: %bb.1, %bb.3
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%eax = MOV32rm %rdi, 1, _, 0, _
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; CHECK: CMP32ri8 %eax, 10
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; CHECK-NEXT: JG_1 %bb.2
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CMP32ri8 %eax, 10, implicit-def %eflags
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JG_1 %bb.3, implicit %eflags
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bb.1:
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%eax = MOV32r0 implicit-def %eflags
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bb.3:
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RETQ %eax
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...
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