llvm-for-llvmta/test/CodeGen/X86/fast-isel-ret-ext.ll

39 lines
933 B
LLVM

; RUN: llc < %s -O0 -fast-isel-abort=1 -mtriple i686-apple-darwin10 | FileCheck %s
; RUN: llc < %s -O0 -fast-isel-abort=1 -mtriple x86_64-apple-darwin10 | FileCheck %s
define zeroext i8 @test1(i32 %y) nounwind {
%conv = trunc i32 %y to i8
ret i8 %conv
; CHECK-LABEL: test1:
; CHECK: movzbl {{.*}}, %eax
}
define signext i8 @test2(i32 %y) nounwind {
%conv = trunc i32 %y to i8
ret i8 %conv
; CHECK-LABEL: test2:
; CHECK: movsbl {{.*}}, %eax
}
define zeroext i16 @test3(i32 %y) nounwind {
%conv = trunc i32 %y to i16
ret i16 %conv
; CHECK-LABEL: test3:
; CHECK: movzwl {{.*}}, %eax
}
define signext i16 @test4(i32 %y) nounwind {
%conv = trunc i32 %y to i16
ret i16 %conv
; CHECK-LABEL: test4:
; CHECK: {{(movswl.%di, %eax|cwtl)}}
}
define zeroext i1 @test5(i32 %y) nounwind {
%conv = trunc i32 %y to i1
ret i1 %conv
; CHECK-LABEL: test5:
; CHECK: andb $1
; CHECK: movzbl {{.*}}, %eax
}