llvm-for-llvmta/test/CodeGen/ARM/tail-call-builtin.ll

38 lines
845 B
LLVM

; RUN: llc -mtriple=thumbv7-linux-gnueabihf %s -o - | FileCheck %s
define i64 @test_mismatched_call(double %in) {
; CHECK-LABEL: test_mismatched_call:
; CHECK: bl floor
; CHECK: vmov r0, r1, d0
%val = tail call double @floor(double %in)
%res = bitcast double %val to i64
ret i64 %res
}
define double @test_matched_call(double %in) {
; CHECK-LABEL: test_matched_call:
; CHECK: b floor
%val = tail call double @floor(double %in)
ret double %val
}
define void @test_irrelevant_call(double %in) {
; CHECK-LABEL: test_irrelevant_call:
; CHECK-NOT: bl floor
%val = tail call double @floor(double %in)
ret void
}
define arm_aapcscc double @test_callingconv(double %in) {
; CHECK: test_callingconv:
; CHECK: bl floor
%val = tail call double @floor(double %in)
ret double %val
}
declare double @floor(double) nounwind readonly