mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-08-06 03:53:42 +00:00
Ayke van Laethem
feb2b4715b
Declarations would enter an infinite loop when trying to loop over basic blocks. That was probably an undefined operation, but still somehow didn't crash the compiler. Make sure that scanning declarations works as expected.
56 lines
1.0 KiB
LLVM
56 lines
1.0 KiB
LLVM
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64--linux"
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define i64 @returnsConst() {
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ret i64 0
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}
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define i64 @returnsArg(i64 %arg) {
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ret i64 %arg
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}
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declare i64 @externalCall()
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define i64 @externalCallOnly() {
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%result = call i64 @externalCall()
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ret i64 0
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}
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define i64 @externalCallAndReturn() {
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%result = call i64 @externalCall()
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ret i64 %result
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}
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define i64 @externalCallBranch() {
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%result = call i64 @externalCall()
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%zero = icmp eq i64 %result, 0
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br i1 %zero, label %if.then, label %if.done
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if.then:
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ret i64 2
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if.done:
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ret i64 4
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}
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@cleanGlobalInt = global i64 5
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define i64 @readCleanGlobal() {
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%global = load i64, i64* @cleanGlobalInt
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ret i64 %global
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}
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@dirtyGlobalInt = global i64 5
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define i64 @readDirtyGlobal() {
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%global = load i64, i64* @dirtyGlobalInt
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ret i64 %global
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}
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declare i64* @getDirtyPointer()
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@functionPointer = global i64()* null
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define i64 @callFunctionPointer() {
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%fp = load i64()*, i64()** @functionPointer
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%result = call i64 %fp()
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ret i64 %result
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}
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