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|
; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
;; NOTE: This does not check for structured control-flow operations.
; CHECK-DAG: OpName [[FOO:%.+]] "foo"
; CHECK-DAG: OpName [[BAR:%.+]] "bar"
; CHECK-DAG: %[[#I32:]] = OpTypeInt 32
; CHECK-DAG: %[[#BOOL:]] = OpTypeBool
declare i32 @foo()
declare i32 @bar()
define i32 @test_if(i32 %a, i32 %b) {
entry:
%cond = icmp eq i32 %a, %b
br i1 %cond, label %true_label, label %false_label
true_label:
%v1 = call i32 @foo()
br label %merge_label
false_label:
%v2 = call i32 @bar()
br label %merge_label
merge_label:
%v = phi i32 [%v1, %true_label], [%v2, %false_label]
ret i32 %v
}
; CHECK: OpFunction
; CHECK: %[[#A:]] = OpFunctionParameter %[[#I32]]
; CHECK: %[[#B:]] = OpFunctionParameter %[[#I32]]
; CHECK: %[[#ENTRY:]] = OpLabel
; CHECK: %[[#COND:]] = OpIEqual %[[#BOOL]] %[[#A]] %[[#B]]
; CHECK: OpBranchConditional %[[#COND]] %[[#TRUE_LABEL:]] %[[#FALSE_LABEL:]]
; CHECK: %[[#FALSE_LABEL]] = OpLabel
; CHECK: %[[#V2:]] = OpFunctionCall %[[#I32]] [[BAR]]
; CHECK: OpBranch %[[#MERGE_LABEL:]]
; CHECK: %[[#TRUE_LABEL]] = OpLabel
; CHECK: %[[#V1:]] = OpFunctionCall %[[#I32]] [[FOO]]
; CHECK: OpBranch %[[#MERGE_LABEL]]
; CHECK: %[[#MERGE_LABEL]] = OpLabel
; CHECK-NEXT: [[V:%.+]] = OpPhi %[[#I32]] %[[#V1]] %[[#TRUE_LABEL]] %[[#V2]] %[[#FALSE_LABEL]]
; CHECK: OpReturnValue [[V]]
; CHECK-NEXT: OpFunctionEnd
|
