1 ; RUN: opt < %s -instcombine -S | FileCheck %s
3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
5 @test1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
6 @test2 = constant double 1.0
10 %r = load i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0)
13 ; CHECK: ret i32 -559038737
17 ; Load of first 16 bits of 32-bit value.
19 %r = load i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*)
23 ; CHECK: ret i16 -16657
26 ; Load of second 16 bits of 32-bit value.
28 %r = load i16* getelementptr(i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*), i32 1)
32 ; CHECK: ret i16 -8531
35 ; Load of 8 bit field + tail padding.
37 %r = load i16* getelementptr(i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*), i32 2)
43 ; Load of double bits.
45 %r = load i64* bitcast(double* @test2 to i64*)
49 ; CHECK: ret i64 4607182418800017408
52 ; Load of double bits.
54 %r = load i16* bitcast(double* @test2 to i16*)
62 define double @test8() {
63 %r = load double* bitcast({{i32,i8},i32}* @test1 to double*)
67 ; CHECK: ret double 0xDEADBEBA