1 ; Expect the constant propagation to evaluate signed and unsigned bit extract. 2 ; RUN: llc -march=hexagon -O2 < %s | FileCheck %s 3 4 target triple = "hexagon" 5 6 @x = common global i32 0, align 4 7 @y = common global i32 0, align 4 8 9 define void @foo() #0 { 10 entry: 11 ; extractu(0x000ABCD0, 16, 4) 12 ; should evaluate to 0xABCD (dec 43981) 13 %0 = call i32 @llvm.hexagon.S2.extractu(i32 703696, i32 16, i32 4) 14 ; CHECK: 43981 15 ; CHECK-NOT: extractu 16 store i32 %0, i32* @x, align 4 17 ; extract(0x000ABCD0, 16, 4) 18 ; should evaluate to 0xFFFFABCD (dec 4294945741 or -21555) 19 %1 = call i32 @llvm.hexagon.S4.extract(i32 703696, i32 16, i32 4) 20 ; CHECK: -21555 21 ; CHECK-NOT: extract 22 store i32 %1, i32* @y, align 4 23 ret void 24 } 25 26 declare i32 @llvm.hexagon.S2.extractu(i32, i32, i32) #1 27 28 declare i32 @llvm.hexagon.S4.extract(i32, i32, i32) #1 29 30 attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 31 attributes #1 = { nounwind readnone } 32