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; RUN: opt < %s -rewrite-llvm-intrinsic-calls -S | FileCheck %s
; RUN: opt < %s -rewrite-llvm-intrinsic-calls -S | FileCheck %s -check-prefix=CLEANED
; Test the @llvm.flt.rounds part of the RewriteLLVMIntrinsics pass
declare i32 @llvm.flt.rounds()
; No declaration or definition of llvm.flt.rounds() should remain.
; CLEANED-NOT: @llvm.flt.rounds
define i32 @call_flt_rounds() {
; CHECK: call_flt_rounds
; CHECK-NEXT: ret i32 1
%val = call i32 @llvm.flt.rounds()
ret i32 %val
}
; A more complex example with a number of calls in several BBs.
define i32 @multiple_calls(i64* %arg, i32 %num) {
; CHECK: multiple_calls
entryblock:
; CHECK: entryblock
%v1 = call i32 @llvm.flt.rounds()
br label %block1
block1:
; CHECK: block1:
; CHECK-NEXT: %v3 = add i32 1, 1
%v2 = call i32 @llvm.flt.rounds()
%v3 = add i32 %v2, %v1
br label %exitblock
exitblock:
; CHECK: exitblock:
; CHECK-NEXT: %v4 = add i32 1, %v3
; CHECK-NEXT: %v6 = add i32 1, %v4
%v4 = add i32 %v2, %v3
%v5 = call i32 @llvm.flt.rounds()
%v6 = add i32 %v5, %v4
ret i32 %v6
}
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